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Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981)

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ISSN: 0935-6304

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040201

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On-column detection using a fused silica column (1981)

Yang, Frank J.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 83-85

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ISSN: 0935-6304

Keywords: HPLC ; Nanoliter volume detector ; 1.5 × 10-5 AU noise (0.1 μl 0.1% benzene in methanol) ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 4 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040209

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Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 95-96

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ISSN: 0935-6304

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040213

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Continuous and gradient TLC development of 4-dimethylaminoazobenzene-4′-sulfonyl amino acid derivatives (1981)

Gołkiewicz, Władysław ; Wolski, Tadeusz

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 115-120

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ISSN: 0935-6304

Keywords: TLC ; Gradient and continuous development ; Amino acids ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Thin-layer gradient elution chromatography is a convenient technique for separation of very complicated mixtures; in some cases the gradient technique can be replaced by continuous development. The two techniques are compared in practice by using them to separate a mixture of dabsyl derivatives of amino acids.

Additional Material: 6 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040305

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Rapid separation of isomeric Xylenes on a short liquid crystal-coated glass capillary in the supercooled temperature range (1981)

Kraus, G. ; Schierhorn, M.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 123-124

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ISSN: 0935-6304

Keywords: (GC)2 in short capillaries ; Liquid crystalline stationary phase ; Supercooled temperature range ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040307

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Ion-pair HPLC of chlorhexidine-A simple, rapid method for quantitation in pharmaceutical preparations (1981)

Bachner, J. ; Heinisch, G. ; Matous, H.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 132-134

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ISSN: 0935-6304

Keywords: Liquid chromatography, HPLC ; Ion-pair reversed-phase HPLC ; Chlorhexidine in pharmaceutical preparations ; Quantitation within 0.66-3.41% relative standard deviation ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 8 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040311

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Letter to the Reader (1981)

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 142-142

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ISSN: 0935-6304

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040316

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Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981)

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ISSN: 0935-6304

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040401

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Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981)

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ISSN: 0935-6304

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040501

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In situ cross-linking of the stationary phase in capillary columns. Part 1: Introduction and preparation of apolar columns (1981)

Sandra, P. ; Redant, G. ; Schacht, E. ; [et al.]

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 411-412

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ISSN: 0935-6304

Keywords: Gas chromatography ; Capillary, fused silica ; Chemical bonding - cross-linking ; Apolar columns ; Preparation ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040810

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High performance liquid chromatographic method for determination of canrenone in serum (1981)

Besenfelder, E. ; Endele, R.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 419-421

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ISSN: 0935-6304

Keywords: HPLC ; Extraction fluorimetry ; Canrenone ; Serum drug levels ; Comparison ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 3 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040814

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Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 429-430

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ISSN: 0935-6304

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040819

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Analysis of urine by liquid chromatography in the ion-exchange or hydrophobic modeThis paper was presented in part at the 1980 Pittsburgh Conference, Atlantic City, N. J., March 1980. (1981)

Hanai, T. ; Hubert, J.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 500-507

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ISSN: 0935-6304

Keywords: Liquid chromatography ; Weak anion exchanger ; Octadecyl bonded packing ; Urine analysis ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: The analysis of ultraviolet-absorbing constituents in urine was undertaken by anion-exchange and reversed-phase liquid chromatography. A newly developed anion exchanger (TSK-IEX540 DEAE) was used for ion-exchange mode liquid chromatography and its high polarity and physical strength greatly reduced the analysis time. Up to 80 peaks were resolved within 30 min. Hydrophobicity values were used to predict the retention times of acids in reversed-phase mode liquid chromatography.

Additional Material: 11 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041005

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Role of injection time and septum holder in split injection of polycyclic aromatic hydrocarbons (1981)

Kolarovič, L. ; Traitler, H.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 523-524

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ISSN: 0935-6304

Keywords: Gas chromatography ; Capillary, glass ; Split injection ; Injection time influence ; PAH ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041009

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An easy and reliable method for end-sealing glass capillary columns (1981)

Takayama, Y.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 533-534

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ISSN: 0935-6304

Keywords: Gas chromatography ; Capillary, glass ; End-sealing method for static coating ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041014

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Combination of micro high performance liquid chromatography and fourier transform infrared spectrometry using the potassium bromide crystal buffer memory technique (1981)

Jinno, K. ; Fujimoto, Ch.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 532-533

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ISSN: 0935-6304

Keywords: Micro high performance liquid chromatography, MHPLC ; Fourier transform infrared spectrometry, FT- IR ; Combination of MHPLC and FT-IR ; KBr buffer memory technique ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041013

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Gas chromatographic analysis of furaneol (1981)

Williams, A. A. ; Mottram, D. S.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 421-422

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ISSN: 0935-6304

Keywords: Gas chromatography ; Capillary columns ; Unstable flavor compound ; Comparison of fused silica, glass, and metal columns ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040815

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Fourth International Symposium on Capillary Chromatography (1981)

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 42-42

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ISSN: 0935-6304

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040113

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Determination of volatile carboxylic acids in animal wastes by (GC)2 of their benzyl esters (1981)

Monseur, X. ; Walravens, J. ; Dourte, P. ; [et al.]

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 49-53

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ISSN: 0935-6304

Keywords: Gas chromatography ; Glass capillary ; Routine analysis of C1-C6 carboxylic acids ; Animal wastes ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: The C1 -C6 fatty acids present in various types of heterogeneous animal wastes were isolated by steam distillation and determined as benzyl esters by high resolution gas chromatography. Glass capillary columns, deactivated with barium carbonate and coated with UCON HB 5100, allowed the analysis of benzyl formate, acetate, propionate, isobutyrate, butyrate, isovalerate, valerate, and caproate in less than 20 minutes. Recovery tests, performed on more than 50 different samples, indicated a benzylation yield and an overall efficiency higher than 99%, with a standard deviation of 2.6% (C5) to 6.0% (C1). The absolute detection limit ranged from 0.3 picomole (caproic acid) to 1.0 picomole (formic acid).

Additional Material: 3 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040202

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An integrated GC/FT-IR system for the analysis of environmental pollutants (1981)

Azarraga, L. V. ; Potter, C. A.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 60-69

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ISSN: 0935-6304

Keywords: GC/FT-IR ; Environmental pollutants analysis ; Nondestructive detection ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: An integrated gas chromatography/Fourier transform infrared spectrometry (GC/FT-IR) system developed for the analysis of environmental pollutants is described. The versatility of the system allows the utilization of many different techniques of sample introduction and manipulation during analysis. The sample can be introduced by direct injection or thermal desorption from an adsorbent cartridge, and can then be separated on one of two capillary columns and detected by FT-IR or an FID. Cold traps and collection cartridges incorporated in the system permit recovery and additional fractionation of samples. Recovered sample and sample fractions can then be re-analyzed by GC/FT-IR or subsequently analyzed by GC/MS or other methods.

Additional Material: 15 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040204

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Fused silica capillary GC/MS coupling: A new, innovative approach (1981)

Friedli, F.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 495-499

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ISSN: 0935-6304

Keywords: Gas chromatography ; Capillary column, fused silica ; Mass spectrometry ; Interface, direct coupling ; On-column injection ; Aflatoxin B1 ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: A novel fused silica capillary GC/MS direct coupling is described which ensures quantitative transfer of sample from the point of injection to the ion source of a mass spectrometer without contacting any surfaces other than the column wall. This device permits GC analysis of highly labile substances. Aflatoxin B1, previously considered unassayable by GC, can now be determined by GC/MS.

Additional Material: 8 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041004

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Error introduced into determination of pore size distribution by size exclusion chromatography (1981)

Schou, Ole ; Larsen, Per

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 515-518

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ISSN: 0935-6304

Keywords: Liquid chromatography ; Size exclusion chromatography ; Pore size determination ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Simultaneous use of large standard molecules and small particles of the product examined gives rise to errors in pore size determination by size exclusion chromatography. This error is calculated for packings of spherical particles, thus making corrections possible.

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041007

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Quantitative HPTLC determination of prostaglandin E1 (1981)

Luitjens, K.-D. ; Funk, W. ; Rawer, P.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 136-137

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ISSN: 0935-6304

Keywords: TLC, HPLTC ; Quantitation of PGE1 in organic solvents ; PGE1 concentration from 0.05 to 1.0 mg/ml ; Overall standard deviation 3.6% ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Direct in situ determination of PGE1 in dioxane/water (1:1) at concentrations between 50 μg/ml and 1 mg/ml is described. HPTLC of PGE1 was carried out on HPTLC Kieselgel 60 o.F. plates; application (200 nl) was with a Nano-Appllcator and ethyl acetate/formic acid (400:5, v/v) served as mobile phase. The spots were located by dipping the plates into a 3% cupric acetate solution in 15% aqueous phosphoric acid, followed by heating at 120°C for 15 min. The plates were then evaluated directly at λ = 345 nm by chromatogram spectrometry. The coefficient of variation is 3.6%.

Additional Material: 3 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040313

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Post-column colorimetric detection with Xylenol Orange in micro-HPLC of rare earth metals (1981)

Hirose, A. ; Iwasaki, Y. ; Iwata, I. ; [et al.]

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 530-531

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ISSN: 0935-6304

Keywords: Micro-HPLC ; Post-column colorimetric detection has advantages over radiometric methods ; Separation of 15 rare earth metals ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041012

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Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 143-145

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ISSN: 0935-6304

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040317

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Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 147-148

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ISSN: 0935-6304

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040318

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Glass capillary gas chromatography with simultaneous flame ionization (FID) and Hall® element-specific (HECD) detection (1981)

McCarthy, L. V. ; Overton, E. B. ; Maberry, M. A. ; [et al.]

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 164-168

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ISSN: 0935-6304

Keywords: Gas chromatography ; Capillary, glass ; Simultaneous detection with effluent splitter ; Element-specific detection ; Petroleum residues ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Two glass capillary gas chromatographic systems were equipped with inert effluent splitters which allowed simultaneous data acquisition using nonspecific and element-specific detectors. Simultaneous detection was achieved using the nonspecific flame ionization detector (FID) and the Hall® electrolytic conductivity detector (HECD) operated in either the sulfur-or the nitrogen-specific mode. Typical application of the simultaneous detection system as applied to analysis of petroleum residues is briefly described. The Hall electrolytic conductivity detector can be made element specific for halogen-, sulfur-, or nitrogen-containing compounds. Simultaneous detection enhances the information yield from a single sample injection and proves to be a powerful complementary technique when used with computerized gas chromatography/mass spectrometry.

Additional Material: 5 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040404

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Simultaneous gas chromatographic determination of pirimiphos-methyl and malathion residues in peanuts, peanut hulls, peanut meats, and peanut oil (1981)

Simonaitis, R. A. ; Zehner, J. M. ; Redlinger, L. M.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 169-172

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ISSN: 0935-6304

Keywords: Gas chromatography ; Residue analysis ; Pirimiphos-methyl ; Malathion ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: A gas chromatographic method developed for the simultaneous determination of residues of pirimiphos-methyl (O-[2-(dimethyl-amino)-6-methyl-4-pyrimidinyl] O,O-dimethyl phosphorothioate) and malathion (diethyl mercaptosuccinate S-ester with O,O-dimethyl phosphorodithioate), in whole peanuts, peanut hulls, peanut meats, and peanut oil gives good recoveries and has a limit of detection for pirimiphos-methyl and malathion of 0.04 ppm. Quantitative analysis for the two insecticides with electronic integration was reliable to 0.1 ppm.

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040405

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Theoretical determination of optimum composition of the binary mobile phase for distribution of substances in thin-layer chromatography (1981)

Chojnacka, G. ; Różyło, J. K. ; Malinowska, I.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 224-227

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ISSN: 0935-6304

Keywords: Thin-layer adsorption chromatography ; Optimum separation ; Binary mobile phases ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: The measure of the distribution of a mixture of substances in TLC with a binary mobile phase is expressed as ΔRM1,2i,j which represents the difference between the RM values of substances i and j on use of the binary solvent 1 + 2 as the mobile phase. The possibility of determining its maximum value at an optimum composition of the binary mobile phase is demonstrated in this paper. This value can calculated from experimental and theoretical functions RM1,2 = f(Φ1) of substance i and j. More simply, ΔRM1,2i,j can be calculated theoretically from easily measurable adsorption parameters of excess adsorption isotherms and from chromatographic parameters obtained for pure solvents. The ΔRM1,2i,j value calculated theoretically can be utilized in a pilot technique for determination of the optimum composition of the mobile phase in gradient liquid chromatography.

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040506

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Determination of 2-hydroxybiphenyl in milk by HPLC (1981)

Aitzetmüller, K. ; Arzberger, E.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 242-243

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ISSN: 0935-6304

Keywords: HPLC ; Milk extract concentrate ; 2-Hydroxybiphenyl + 4-hydroxybiphenyl by addition of 0.1% glacial acetic acid ; 0.03 ppm detection limit ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040513

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Direct injection on capillary columns for gas chromatography (1981)

Chauhan, J. ; Darbre, A.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 260-265

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ISSN: 0935-6304

Keywords: Gas chromatography, capillary ; Injection technique ; Sample discrimination ; Alkanes ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Discrimination may occur when injecting samples onto gas chromatography capillary columns, whereby peak areas for higher boiling point compounds are smaller than they should be compared to lower boiling compounds. This problem is most important in quantitative work on solutes having a wide range of volatility. An all-glass inlet system was used. Injections were made with a 10-μl syringe onto a column without and injection point heater and with the column oven about 20°C below the boiling point of the solvent used for the solutes. Discrimination did not occur in a range of C12 to C36 n-alkanes.

Additional Material: 3 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040603

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Prediction of experimental parameters in combined isocratic and gradient elution reversed phase high performance liquid chromatography (RP-HPLC) using acetonitrile as organic modifier (1981)

Molnar, I.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 276-279

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ISSN: 0935-6304

Keywords: Liquid chromatography ; Linear elution strength mobile phase technique ; Calculation of eluent compostion ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: The use of gradient elution in RP-HPLC is increasing. Aqueous buffers, such as phosphate at pH 1.7, with acetonitrile as the organic modifier are particularly advantageous as eluents with linear elution strength (LES). In the isocratic mode, under the experimental conditions used, fairly good linearity exists between logk' and xB (xBº is the volume ratio of the organic modifier, i.e. acetonitrile) with a correlation coefficient of 0.9995. The relationship between isocratic and gradient elution parameters, such as xB, xBº (starting composition in gradient elution), m (slope of the linear gradient), is transparent and the parameters of interest can be predicted fairly accurately using simple equations. The proposed system could be used in elaboration of a general retention index system for organic molecules in RP-HPLC.

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040606

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On-column injection on capillary columns with conventional injectors (1981)

Rinderknecht, F. ; Wenger, B.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 295-296

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ISSN: 0935-6304

Keywords: Gas chromatography ; Capillary, glass ; On-column injection ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 3 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040612

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Simple apparatus for size fractionation of particles by hydrodynamic elutriation (1981)

Larsen, Per ; Schou, Ole

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 244-246

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ISSN: 0935-6304

Keywords: Liquid chromatography ; Column packing materials ; Particle size fractionation ranging from 14.5 ±1.5 to 29.5 ± 3 μm ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: A method is described for separating column packing materials into series of products of any desired narrow particle size distributions.

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040514

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Determination of the diastereomers of vitamin K1 (1981)

Vecchi, M. ; Schmid, M. ; Walther, W. ; [et al.]

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 257-259

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ISSN: 0935-6304

Keywords: Gas chromatography ; Capillary, glass ; Dihydro dimethyl ethers of vitamin K1 ; Separtion of diastereomers ; Characterization of source of vitamin K1 samples ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: A method is described for the gas-chromatographic determination of the diastereomers of vitamin K1 (phylloquinone) in the form of their dihydro dimethyl ethers. The reported method of derivatization and chromatographic analysis in conjunction with optical rotation measurements are useful approaches for characterization of vitamin K1 samples with respect to their origin.

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040602

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Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 292-292

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ISSN: 0935-6304

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040609

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To the Editor (1981)

Kelkar, H

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 292-292

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ISSN: 0935-6304

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040610

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Rapid on-line analysis of low molecular weight hydrocarbons using glass capillary gas chromatography (1981)

Glajch, J. L. ; Schunn, R. A.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 333-336

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ISSN: 0935-6304

Keywords: Gas chromatography ; Capillary, glass ; Rapid analysis ; On-line analysis ; Low molecular weight hydrocarbons ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Rapid analysis is important for on-line chromatography. Gaseous or vaporized samples have been injected via heated gas sampling valves of less than 500 μl dead volume. The critical sampling and split problems could be solved by temperature programming. The general analysis described could be successfully used inter alia in scouting reactions.

Additional Material: 4 Ill.

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URL: http://dx.doi.org/10.1002/jhrc.1240040705

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Partition thin-layer chromatography of some triazine herbicides (1981)

Ogierman, Leonard ; Silowiecki, Andrzej

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 357-358

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ISSN: 0935-6304

Keywords: Partition thin-layer chromatography ; Pesticides ; Separation of the s-triazine herbicides ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040713

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Dynamic headspace analysis of solid waste materialsResearch sponsored by the Office of Health and Environmental Research, U. S. Department of Energy under contract W-7405-eng-26 with the Union Carbide Corporation. (1981)

Brazell, R. S. ; Maskarinec, M. P.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 404-405

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ISSN: 0935-6304

Keywords: Gas chromatography ; Dynamic headspace analysis ; Solid waste ; Fused silica capillary columns ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: A dynamic headspace stripping technique for the extraction of volatile organic compounds has been applied to a variety of solid and semisolid waste materials. A simple glass apparatus accommodates a wide range of sample sizes and allows for the volatiles to be stripped at elevated temperatures. Concentration on Tenax, followed by thermal desorption and analysis by fused silica capillary gas chromatography provides detailed information on the volatile content of waste samples of widely differing matrix composition.

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040807

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Ion-pair reverse-phase HPLC of tryptic peptides from plasma amyloid P-component using a volatile buffer system (1981)

Anderson, J. K. ; Hollaway, W. L. ; Mole, J. E.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 417-418

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ISSN: 0935-6304

Keywords: Liquid chromatography, HPLC ; Mapping of 25 μg tryptic peptides with overall recovery of 50-90% ; Two cysteine residues found in P-component ; Exact alignment and easy identification of redistribution due to reproducible retention times ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040813

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Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 427-428

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ISSN: 0935-6304

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040818

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Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981)

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ISSN: 0935-6304

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040901

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High-performance liquid chromatography with continuous gradient elution in screening for unknown metabolites of butoprozine directly in dog bile (1981)

Overzet, F. ; Drenth, B. F. H. ; de Zeeuw, R. A.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 448-453

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ISSN: 0935-6304

Keywords: Reverse-phase HPLC ; Continuous gradient elution ; Butoprozine and 14C-labeled butoprozine ; Screening for metabolites in dog bile ; Clean-up of bile ; UV and radiochemical detection ; Differentiation between peaks ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: This paper describes the screening for metabolites of butoprozine, a new anti-anginal drug, in dog bile by means of reverse-phase HPLC. Although it does involve a simple clean-up step to remove a substantial amount of endogenous bile compounds, this screening method nevertheless avoids extraction of metabolites and thus allows all metabolites to be introduced into the chromatographic system. A single run of 100 minutes from 100% water to 100% methanol in a linear gradient effects adequate separation of the great majority of metabolites without interference from remaining endogenous compounds.Two methods of differentiating between metabolite peaks and endogenous peaks have been worked out. The first one makes use of 14C-labeled butoprozine by measuring the amount of radioactivity in the column effluent while simultaneously recording the UV absorbance. The second method compares continuous gradient chromatograms of bile recorded before and after butoprozine administration under very similar conditions. The latter method can be applied to both radioactive and non-radioactive materials.

Additional Material: 6 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040905

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Use of molar heats of solution in squalane for identification of olefins (1981)

Korol, A. N.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 527-529

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ISSN: 0935-6304

Keywords: Gas chromatography ; Thermodynamics ; Identification of analytes ; Olefins ; Squalane ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041011

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Resolution of the enantiomers of m- and p-hydroxymandelic acid by high performance liquid chromatography (1981)

Klemisch, W. ; von Hodenberg, A. ; Vollmer, K.-O.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 535-536

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ISSN: 0935-6304

Keywords: Liquid chromatography, HPLC ; Racemate separation ; L-Phenylalanine-copper complex used as chiral reagent ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041015

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Analysis of light hydrocarbons C1-C5 with Porous Layer Open Tubular fused silica columns of aluminum oxide. Part 1: The column (1981)

de Nijs, R. C. M.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 612-615

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ISSN: 0935-6304

Keywords: Gas chromatography ; Porous layer open tubular fused silica columns ; Aluminum oxide ; C1-C5 hydrocarbons ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: A method is described for the preparation of a Porous Layer Open Tubular (PLOT) fused silica column coated with submicron particles of aluminum oxide for the analysis of light hydrocarbons. The column is thermally stable and provides reproducible analytical data over a long period of time. The column can be operated at temperatures easily controlled by commercially available gas chromatographic apparatus. 1,3-Butadiene is retarded much more than its principal impurities: thus the polarity of aluminum oxide is extremely useful for butadiene analysis because none of the contaminants is obscured by the butadiene peak. The analysis of the 16 most common C1-C4 hydrocarbons is achieved within 5 min at 60°C with helium as the carrier gas. Conditioning of the carrier gas with water vapor from CuSO4.5H2O to decrease the activity of the aluminum oxide is described. Some applications of a 30 m × 0.32 mm aluminum oxide PLOT column are given.

Additional Material: 5 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041203

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Sealing technique for static coating of large bore capillary columns (1981)

Peters, T. L. ; Nestrick, T. J. ; Lamparski, L. L.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 588-588

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ISSN: 0935-6304

Keywords: Capillary columns ; End sealing ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041113

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Focused cryogenic trapping for dynamic headspace and pyrolytic analysis of polymers on a fused silica capillary column (1981)

Moncur, James G. ; Sharp, Terry E. ; Byrd, Edward R.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 603-611

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ISSN: 0935-6304

Keywords: Gas chromatography ; Capillary, fused silica ; Gas chromatograph/mass spectrometer/data system ; Dynamic headspace analysis ; Focused cryogenic trapping ; Pyrolysis ; Polymers ; Adhesives ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Focused cryogenic trapping has been used to maximize the high resolution capabilities of fused silica capillary columns during dynamic headspace and pyrolytic polymer analyses. Mass spectrometric detection with data system recording/processing provide sensitive, selective, and rapid results. The techniques described herein demonstrate the power of both dynamic headspace and pyrolytic analyses for troubleshooting applications with complex industrial polymer products.

Additional Material: 11 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041202

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Characterization of basic nitrogen compounds in gasolines by gas chromatography-mass spectrometry (1981)

Disanzo, F. P.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 649-651

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ISSN: 0935-6304

Keywords: GC/MS ; Capillary, fused silica ; Anilines ; Acetylation ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 3 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041210

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Some techniques for capillary chromatography (1981)

Tsuda, Takao

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 651-652

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ISSN: 0935-6304

Keywords: Handy micro burner ; Drilling out a Vespel® ferrule ; Adaptor for straightening capillary ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041211

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Theory and Marhematics of Chromatography. Abdel Salam Said. Dr. Alfred Huethig Publishers, Heidelberg 1981. ix, 210 pp., $ 28.00 (1981)

Giddings, J. Calvin

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 664-664

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ISSN: 0935-6304

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041219

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Column chromatography fractionation of complex waste water sample extracts for measurement of ppt levels of 2,3,7,8-tetrachlorodibenzo-p-dioxin (1981)

Nowicki, H. G. ; Kieda, C. A. ; Current, V. ; [et al.]

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 178-179

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ISSN: 0935-6304

Keywords: Sample preparation procedure ; Column chromatography cleanup ; 2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD) at ppt levels ; Azulene visual column monitor ; Azulene quality assurance ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: The novel application of azulene as a visual monitor of column chromatography performance during fractionation of complex waste water extracts for measurement of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) at part-per-trillion concentrations is described. TCDD elutes directly behind azulene, the blue visual aid, in the 6% ethyl ether/hexane fraction during Florisil column chromatography.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040407

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Direct determination of pollutants in air by gas chromatograph helium ionization detection (1981)

Brazell, R. S. ; Andrawes, F. F. ; Gibson, E. K.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 188-190

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ISSN: 0935-6304

Keywords: Gas chromatography ; Helium ionization detector (HID) ; Vinyl chloride ; Sulfur gases ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 3 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040413

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Influence of structure and polarity of polysiloxanes on retention of N-TFA butyl esters of amino acids (1981)

Boudah, Fawzia ; Abdeddaim, Khélifa ; Guermouche, Moulay-Hassane

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 247-248

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ISSN: 0935-6304

Keywords: Gas Chromatography ; No simple relationship found between polarity of polysiloxane phases and N-TFA amino acid butyl esters ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: In this work, we have investigated the influence of the polarities and structures of 13 polysiloxanes on the retention of some N-TFA N-butyl esters of amino acids. Gehrke [1] was the first to examine the possible relationship between polarity and retention data of amino acid derivatives for 9 stationary liquid phases. He concluded that the molecular structure of the stationary liquid phase is an important factor determining retention.

Additional Material: 3 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040515

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The dry-packing of columns in liquid chromatography (1981)

Davies, R. D.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 270-275

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ISSN: 0935-6304

Keywords: Dry-packing in liquid chromatography ; Lateral tapping beneficial ; Vertical tapping detrimental ; Manual versus automatic packing ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: This contribution comprises two parts, the one covering some variables in the dry-packing of columns for liquid chromatography, the other the use of an automatic dry-packer in liquid chromatography. A high-pressure stainless steel column was dry-packed using a 20-44 μm size, irrregularly shaped, silica gel support. It was found that, when support was added in discrete amounts, lateral tapping produced a column of higher efficiency (HETP = 0.69 mm) than was the case for vertical tapping (HETP = 1.37 mm). Simultaneous vertical and lateral tapping produced an intermediate result. Bulk filling of the column followed by tapping was inferior to adding support in discrete amounts. An apparatus constructed to perform the vertical and lateral tapping operations automatically confirmed the above conclusions. It was concluded that commercially available dry-packing apparatus do not offer the best action for packing an efficient column since they involve predominantly vertical tapping.

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040605

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Role of column temperature in micro high performance liquid chromatography (1981)

Takeuchi, Toyohide ; Watanabe, Youichi ; Ishii, Daido

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 300-302

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ISSN: 0935-6304

Keywords: Micro HPLC ; Temperature gradient separation ; Column temperature effect ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 3 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040614

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Improved separation of glycosylated tryptic peptides by RP-HPLC (1981)

Basak, S. ; Compans, R. W.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 302-304

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ISSN: 0935-6304

Keywords: Liquid chromatography ; Hemagglutinin glycoprotein of influenza virus investigated ; Peptide separation ; 14C labeling for identification ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: The potential of reverse-phase high-performance liquid chromatography (RP-HPLC) for the separation of the tryptic glycopeptides of the hemagglutinin (HA) glycoprotein of influenza virus has been investigated. Excellent separation was accomplished with sample recovery of at least 90-95% by the utilization of an octadecasilyl silica stationary phase and a phosphoric acid/n-propanol solvent system. Eight glycosylated tryptic peptide classes were resolved from the HA glycoprotein of the A/USSR/90/77 virus strain.

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040615

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Separation of pesticides by capillary gas chromatography. Part 2: Organophosphorus insecticides (1981)

Wolf, M. ; Deleu, R. ; Copin, A.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 346-347

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ISSN: 0935-6304

Keywords: Gas chromatography ; WCOT-glass capillary ; Organophosphorus insecticides ; Pesticides ; Metabolites ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: This article considers the separation of 23 organophosphorus insecticides to which two metabolites have been added. The high resolution of the column permits detection of the Z and E isomers of three of these insecticides.

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040708

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62

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Theory of reflectance measurements in quantitative evaluation in TLC and HPTLC. 1. Multilayer model of reflectance and transmittance (1981)

Ebel, S. ; Post, P.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 337-342

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ISSN: 0935-6304

Keywords: Thin-layer chromatography ; Quantitation model ; Short computer program in BASIC given ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: In the approach described in this paper, the layer of adsorbent is divided into n sublayers. The radiation density in each sublayer is given by the sum of the transmittance and the reflectance of the adjacent sublayers. Absorption of light by the layer or the substance will diminish this radiation density. Depending upon the factors of reflectance and transmittance some light will pass to the adjacent sublayers. Two polynomials are derived from this readily understood formulation to calculate the reflectance or the transmittance of a layer of finite thickness. The algorithms given describe the reflectance and transmittance encountered in practical measurements with large amounts of substance per spot, as well as with small amounts. There are no restrictions with respect to nonideal scattering or reflection by the adsorbent layer support.

Additional Material: 8 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040706

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Thin-layer adsorption chromatography with mixed mobile phases. 4. Extension of Ościk's equation to heterogeneous adsorbents (1981)

Różyło, J. K. ; Ościk, J. ; Ościk-Mendyk, B. ; [et al.]

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 17-23

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ISSN: 0935-6304

Keywords: Thin-layer chromatography, TLC ; Liquid chromatography, LC ; Adsorption chromatography ; LC with mixed mobile phases ; Heterogeneity effects in adsorption chromatography ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: In this paper the equation for thin-layer adsorption chromatography with multicomponent mobile phases, proposed by Ościk in 1965 is extended to energetically heterogeneous solid surfaces. Other forms of this equation, more convenient in practical applications, are presented. Model calculations are made for TLC with binary mobile phases according to the modified form of Ościk's equation. Finally, this equation is compared with that of Snyder.

Additional Material: 5 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040105

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64

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Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981)

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ISSN: 0935-6304

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041001

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65

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Rapid boiling point assay of tar from coal gasification by gas chromatography (1981)

Gangwal, S. K.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 580-581

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ISSN: 0935-6304

Keywords: Gas chromatography ; Coal gasification tar ; Boiling point distribution ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 3 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041108

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66

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An improved ion-pairing reagent for HPLC (1981)

Fritz, David W. ; Donald Strahm, R.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 584-585

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ISSN: 0935-6304

Keywords: Liquid chromatography, HPLC ; Reverse-phase mode ; TBAOAc/NH4OAc ion-pairing reagent circumvents problems ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041111

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67

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Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 591-594

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ISSN: 0935-6304

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041115

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68

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Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981)

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ISSN: 0935-6304

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041201

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69

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Determination of solute-solvent association effects in liquid-solid chromatography with mixed mobile phases (1981)

Jaroniec, M. ; Jaroniec, J. A. ; Gołkiewicz, W.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 89-90

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ISSN: 0935-6304

Keywords: Liquid-solid chromatography, LSC ; Solute-solvent association in LSC ; LSC with mixed mobile phase ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 1 Tab.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040211

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70

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Resolution of organic sulfite diastereoisomers using silica gel liquid chromatography (1981)

Hara, S. ; Tabei, K. ; Kawashima, E. ; [et al.]

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 653-654

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ISSN: 0935-6304

Keywords: Liquid chromatography, HPLC ; Diastereoisomer separation of organic sulfites ; Bis(2-aryl-3-oxotetrahydro-2H-1,2-oxazin-5-yl) sulfite ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041212

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71

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TLC determination of airbone carbofuran and quinalphos for industrial hygiene purposes (1981)

Vukušić, I. ; Lašscar;karin, B.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 659-660

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ISSN: 0935-6304

Keywords: Thin layer chromatography, TLC ; Quantitation by TLC scanner ; Detection mode, reflection ; Measuring mode, absorbance ; RSD 3% for carbofuran and 1% for quinalphos ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041216

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72

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Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 197-200

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ISSN: 0935-6304

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040415

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73

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Qualitative evaluation of aromatic herbs by direct head space (GC)2 analysis. Methodology and some preliminary applications (1981)

Gabri, G. ; Chialva, F.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 215-217

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ISSN: 0935-6304

Keywords: Gas chromatography ; Capillary columns ; Direct method for flavor evaluation ; Aromatic herbs analysis ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: A simple, quick method is described for GC head space evaluation of herbs and drugs. The proposed procedure consists of milling a weighed sample of a certain herb in a glass device like a Braun MXK coffee grinder, modified in such a way that a special gas-tight valve allows the direct sampling of the vapors. Glass capillary columns are used to analyze the head space volatiles. Some preliminary applications of the method are given.

Additional Material: 3 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040504

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74

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A quick and clean technique for sealing capillary columns using the static coating method (1981)

Lochmüller, C. H. ; Fisk, J. D.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 232-232

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ISSN: 0935-6304

Keywords: Gas chromatography ; Capillary, glass ; Static coating ; Sealing method ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040508

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75

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Determination of 3,4-dimethylpyridine in alkylpyridine mixtures by HPLC (1981)

Charlier, C.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 307-308

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ISSN: 0935-6304

Keywords: HPLC ; Quantitative determination of 3,4-dimethylpyridine ; Relative retention times for various alkylpyridines ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040617

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76

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Recent developments in chromatography and electrophoreses, 10. Edition by Alberto Frigerio and Malcolm McCamish, Elsevier, Amsterdam (1980), pp. 340, $ 68.25 (1981)

Jorgenson, W. J.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 308-308

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ISSN: 0935-6304

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040618

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77

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Glass capillary columns for separation of free organic acids (1981)

Hřivnáč, Milan ; Sýkora-Čechová, Lenka ; Müller-Aerne, Monica

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 323-327

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ISSN: 0935-6304

Keywords: Gas chromatography ; Capillary, glass ; Deactivation by colloidal aqueous silica plus BTPPC plus Carbowax 1000 ; Use for adsorption-sensitive solutes fails with basic compounds ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Glass capillary columns have been prepared without acidic additive in the stationary phase, from which free organic acids elute as sharp and symmetrical peaks. The required surface in the borosilicate glass capillary was generated by a combination of leaching with aqueous HCl and deposition of colloidal silica particles; it can be coated with stationary phases have a broad range of polarity. Aqueous samples containing free organic acids can also be analyzed in such columns in an isothermal mode.

Additional Material: 6 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040703

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78

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The generation of HPLC signals by temperature pulses (1981)

Carney, Daniel P. ; Phillips, J. B.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 413-414

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ISSN: 0935-6304

Keywords: Liquid chromatography, HPLC ; “Ghost” peak problems and moderate temperature pulses ; Explanation aids correct interpretation of chromatogram ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 4 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040811

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79

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HPLC with chemically bonded stationary phases. 4. Amide, carbamate and chiral α-aminoamide phases (1981)

Matlin, S. A. ; Tito-Lloret, A. ; Lough, W. J. ; [et al.]

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 81-83

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ISSN: 0935-6304

Keywords: HPLC bonded phases ; Derivatisation of aminopropyl silica ; Resolution of enantiomers ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 1 Tab.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040208

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80

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Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 91-92

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ISSN: 0935-6304

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040212

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81

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Polygon diagrams of chromatographic data (1981)

Janssens, Guido

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 99-101

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ISSN: 0935-6304

Keywords: Chromatography ; Laboratory computer use ; Qualified data reduction ; Graphic display of summarized analytical results ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Use of a Hewlett-Packard 2648 A graphics terminal connected to a HP 3354 B Laboratory Automation System for drawing polygon diagrams of chromatographic data has been investigated. The computer program is designed to reduce polygon overlapping and hiding by fully automatic parameter adjustment.

Additional Material: 3 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040302

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82

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Deactivation of fused silica capillary columns with pyrocarbon (1981)

Pretorius, Victor ; Desty, D. H.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 122-123

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ISSN: 0935-6304

Keywords: Gas chromatography ; Fused silica ; Capillary columns ; Deactivation ; Pyrocarbon ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040306

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83

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Quantitative evaluation of thin-layer chromatograms. 4. Calculation of fluorescence using Bodó equations (1981)

Pršsek, M. ; Medja, A. ; Kučan, E. ; [et al.]

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 138-140

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ISSN: 0935-6304

Keywords: Thin-layer chromatography, TLC, HPTLC ; Near-side fluorescence ; Far-side fluorescence ; Multilayer model ; Flow chart ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Changes in fluorescence intensity at the far and near side for various spot locations in a sorbent are calculated using a multilayer model and Bodó equations for each sublayer. Flow charts are given for evaluation of reflectance transmission, and fluorescence.

Additional Material: 5 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040314

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84

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A simple sample preparation for the simultaneous assay of biogenic amines and metabolites from rat heart, plasma, blood cell components, and urine by GC-MS (1981)

Kobelt, Reinhard ; Wiesener, GÜNther ; Kühn, Regina

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 520-522

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ISSN: 0935-6304

Keywords: Gas chromatography/mass fragmentography ; Capillary column, glass ; Sample preparation for simultaneous assay ; γ-Aminobutyric acid ; Biogenic amines and metabolites in heart, blood, urine of rats ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041008

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85

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Simultaneous analysis of all five organic priority pollutant fractions (1981)

Trussell, A. R. ; Moncur, J. G. ; Lieu, Fong-Yi ; [et al.]

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 156-163

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ISSN: 0935-6304

Keywords: Gas chromatography ; Capillary, fused silica ; Priority pollutants ; Volatile organics ; Extractable organics ; Pesticides ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Acrolein, acrylonitrile, volatile organics, base/neutral extractables, acid extractables, and pesticide fraction organics are analyzed in a single chromatographic run. This is accomplished by injecting the extractable organics, then applying a cryogenic focus to the front of the column, and desorbing the volatile components. The column utilized for this procedure is a fused silica open tubular (FSOT) column coated with the liquid phase SE-54. Minimum detection limits of this procedure by electron impact GC/MS are shown to be≤ 1 μg/liter in tests conducted on actual water samples.

Additional Material: 6 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040403

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86

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Novel method of connecting a fused silica capillary column to a glass injector (1981)

Mitchum, R. K. ; Korfmacher, W. A. ; Moler, G. F.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 180-180

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ISSN: 0935-6304

Keywords: Gas chromatography ; Capillary ; Injector to column connection ; TCDD ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040408

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87

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Glass capillary T-connections for high resolution GC (1981)

Hudson, Joseph R. ; Morgan, Stephen L.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 186-187

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ISSN: 0935-6304

Keywords: Gas chromatography ; Capillary, glass ; Effluent splitter, preparation of ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 3 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040412

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88

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Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 191-192

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ISSN: 0935-6304

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040414

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89

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Peroxide-initiated in situ curing of some silicone gums for capillary columns (1981)

Blomberg, L. ; Buijten, J. ; Markides, K. ; [et al.]

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 578-579

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ISSN: 0935-6304

Keywords: Gas chromatography ; Capillary, glass ; Crosslinked silicones ; Peroxide-initiated vulcanization ; Trifluoropylsilicone ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041107

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90

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Cuprous chloride-modified columns for gas-liquid chromatography of olefins [1] (1981)

Subbarao, K. V. ; Damodaran, N. P. ; Dev, Sukh

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 583-584

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ISSN: 0935-6304

Keywords: Gas chromatography ; 10% CuCl in stationary phase greatly improves resolution of high-boiling olefins (up to 190°C) ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 2 Tab.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041110

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91

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Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 596-600

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ISSN: 0935-6304

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041117

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92

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High performance liquid chromatography/video fluorometry. Part II: Applications (1981)

Shelly, D. C. ; Fogarty, M. P. ; Warner, I. M.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 616-626

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ISSN: 0935-6304

Keywords: HPLC ; Video fluorometry ; Emission-excitation matrix ; Spectral deconvolution ; Spectral interpretation ; Polynuclear aromatic hydrocarbons ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: A video fluorometer is used as a detector for HPLC to characterize highly complex samples. Data selection and evaluation techniques are discussed so as to speed the spectral identification process. Several well-known polynuclear aromatic hydrocarbons are found in the samples.

Additional Material: 12 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041204

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93

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On-column injection with open tubular columns (1981)

Knauss, K. ; Fullemann, J. ; Turner, M. P.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 641-643

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ISSN: 0935-6304

Keywords: Gas chromatography ; Capillary column ; On-column injection ; Discrimination ; Criteria given for precise sampling ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 3 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041207

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94

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Obtaining quantitative data for PNAs with capillary column gas chromatography using split and splitless injectionWork supported by the U. S. Department of Energy Under Contract DE-AC06-76RLO 1830. (1981)

Springer, D. L. ; Phelps, D. W. ; Schirmer, R. E.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 638-641

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ISSN: 0935-6304

Keywords: Gas chromatography ; Capillary, fused silica ; Split injection ; Splitless injection ; Polynuclear aromatic hydrocarbons, quantitation ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041206

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95

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Gas chromatographic analyses of dimethylnitrobenzene isomers on polyols (1981)

Ono, Aoi

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 656-657

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ISSN: 0935-6304

Keywords: Gas-liquid chromatography ; Dimethylnitrobenzenes ; Polyethers ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 2 Tab.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240041214

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