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  • 1995-1999  (2)
  • 1915-1919
  • 1890-1899
  • 1995  (2)
  • Analytical Chemistry and Spectroscopy  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Rapid analysis of environmental samples using solid-phase microextraction (SPME) and narrow bore capillary columns (1995)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 18 (1995), S. 495-499 
    Details
    ISSN: 0935-6304
    Keywords: SPME ; Capillary columns ; Volatile organic compounds ; Purge and trap ; Chlorinated pesticides ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The application of SPME, a solventless extraction procedure, is demonstrated for two environmental applications. Extraction of VOCs by SPME is coupled with analysis on short narrow bore capillary gas chromatography columns. The technique is shown both as a fast screening tool and as part of an analytical procedure when combined with a mass spectrometer. Data show the linear range of the procedure. The extraction of chlorinated pesticides from hazardous wastewater and drinking water by SPME is also described in this paper. SPME is compared to traditional extraction procedures with respect to cost, time, ease of use, solvent usage, and sample usage.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240180807
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Investigation of substituted dihydronaphthalenes using 1H and 13C NMR spectroscopy (1995)
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 33 (1995), S. 592-595 
    Details
    ISSN: 0749-1581
    Keywords: 1H NMR ; 13C NMR ; substituted dihydronaphthalenes ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 1H and 13C NMR studies were carried out on the substituted dihydronaphthalene compounds 1,2-dihydro-8-isopropyl-6,7-dimethoxy-2-methylnaphthalene, 3-bromo-1, 2-dihydro-8-isopropyl-6, 7-dimethoxy-2-methylnaphthalene, 3, 4-dihydro-5-isopropyl-6, 7-dimethoxy-3-methyl-1(2H)-naphthalenone, 1, 2-dihydro-6, 7-dimethoxy-2, 8-dimethylnaphthalene, 3-bromo-1, 2-dihydro-6, 7-dimethoxy-2, 8-dimethylnaphthalene and 3, 4-dihydro-6, 7-dimethoxy-3, 5-dimethyl-1(2H)-naphthalenone. Complete assignments of the proton and carbon spectra were made using one- and two-dimensional NMR techniques including APT, COSY, NOESY and 1H-13C HETCOR spectroscopy.
    Additional Material: 4 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mrc.1260330717
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    Paper (German National Licenses)
    Fulltext
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