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  • Analytical Chemistry and Spectroscopy  (2)
  • Screeningmethode  (2)
  • 21.60.E  (1)
  • 1
    Electronic Resource
    Electronic Resource
    A simple, rapid and simultaneous analysis of complex volatile hydrocarbon mixtures in blood using gas chromatography/mass spectrometry with a wide-bore capillary column (1990)
    Springer
    International journal of legal medicine 103 (1990), S. 567-572 
    Details
    ISSN: 1437-1596
    Keywords: Volatile hydrocarbons in the blood ; screening method ; flüchtige Kohlenwasserstoffe im Blut ; Screeningmethode
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Description / Table of Contents: Zusammenfassung Es wird über eine Screeningmethode zum Nachweis flüchtiger Kohlenwasserstoffe im Blut mittels Gaschromatographie/Massenspektrometrie berichtet, wobei wide-bore Kapillaren und die Headspace-technik eingesetzt wurden. Toluol-d8 und Indan dienten als interne Standards bei der quantitativen Analyse. Kohlenwasserstoffe mit Retentionsindizes zwischen 600 und 1200 konnten mit der Ionenchromatographie simultan und quantitativ noch in relativ geringen Konzentrationsbereichen bis 0.01 μg/ ml bestimmt werden. In der Praxis ist die Methode nützlich, wenn es in forensischen Fällen darum geht, komplexe Kohlenwasserstoffgemische (wie z. B. Petroleum) rasch zu analysieren.
    Notes: Summary A screening method for detecting volatile hydrocarbons in blood has been developed using gas chromatography/mass spectrometry with a wide-bore capillary column and a headspace method. Toluene-d8 and indan were used as the internal standards for quantitative analysis. Hydrocarbons with retention indices from 600 to 1200 were simultaneously and quantitatively detected in relatively low concentrations (0.01 μg/m1) in reconstructed ion chromatography. This method could prove useful in forensic cases in which urgent examination of complex hydrocarbon mixtures, e.g. petroleum components, is required.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00202716
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A simple, rapid and simultaneous analysis of complex volatile hydrocarbon mixtures in blood using gas chromatography/mass spectrometry with a wide-bore capillary column (1990)
    Springer
    International journal of legal medicine 103 (1990), S. 567-572 
    Details
    ISSN: 1437-1596
    Keywords: Volatile hydrocarbons in the blood ; screening method ; flüchtige Kohlenwasserstoffe im Blut ; Screeningmethode
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Description / Table of Contents: Zusammenfassung Es wird über eine Screeningmethode zum Nachweis flüchtiger Kohlenwasserstoffe im Blut mittels Gaschromatographie/Massen-spektrometrie berichtet, wobei wide-bore Kapillaren und die Headspace-technik eingesetzt wurden. Toluol-d8 und Indan dienten als interne Standards bei der quantitativen Analyse. Kohlenwasserstoffe mit Retentionsindi-zes zwischen 600 und 1200 konnten mit der Ionenchromatographie simultan und quantitativ noch in relativ geringen Konzentrationsbereichen bis 0.01 μg/ ml bestimmt werden. In der Praxis ist die Methode nützlich, wenn es in forensischen Fällen darum geht, komplexe Kohlenwasserstoffgemische (wie z.B. Petroleum) rasch zu analysieren.
    Notes: Summary A screening method for detecting volatile hydrocarbons in blood has been developed using gas chromatography/mass spectrometry with a wide-bore capillary column and a headspace method. Toluene-d8 and indan were used as the internal standards for quantitative analysis. Hydrocarbons with retention indices from 600 to 1200 were simultaneously and quantitatively detected in relatively low concentrations (0.01 μg/ml) in reconstructed ion chromatography. This method could prove useful in forensic cases in which urgent examination of complex hydrocarbon mixtures, e.g. petroleum components, is required.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01261420
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    On the mechanism of backbending and signature inversion (1991)
    Springer
    The European physical journal 339 (1991), S. 15-21 
    Details
    ISSN: 1434-601X
    Keywords: 21.10 ; 21.60.E ; 27.70
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Fully quantum mechanical calculations are carried out for both doubly even and doubly odd nuclei in the rare-earth region using the angular momentum projection method. We investigate the mechanisms of backbending in doubly even nuclei and signature inversion in doubly odd nuclei using a common hamiltonian for both types of nuclei and show that these two seemingly different phenomena are due to the crossing of decoupled bands. Agreement between theory and experiment is quite satisfactory.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01282929
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Determination of kerosene and light oil components in blood (1991)
    Chichester : Wiley-Blackwell
    Biological Mass Spectrometry 20 (1991), S. 493-497 
    Details
    ISSN: 1052-9306
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A sensitive and rapid method to analyse fuel components in blood from rats exposed to kerosene or light oil vapour was developed by making use of capillary gas chromatography/mass spectrometry. The aliphatic hydrocarbons with carbon numbers 8-10 and aromatics such as toluene, xylene, 3- and 4-ethyltoluene and trimethylbenzenes were clearly detected in blood from rats exposed to kerosene or light oil vapour, using the head-space method combined with the salting-out technique. The concentration ratio of pseudocumene to toluene in blood exposed to light oil was higher than that in the case of exposure to kerosene. The lower limits of detection were 50 pg and 1 ng in toluene and pseudocumene, respectively. Our suggestion is that this method is useful in forensic investigations to detect fuel components in blood and for the purposes of differentiating kerosene and light oil in blood tissues.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bms.1200200810
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    A method of producing mounted thin windows for X-ray spectrometer flow counters (1976)
    New York, NY [u.a.] : Wiley-Blackwell
    X-Ray Spectrometry 5 (1976), S. 13-15 
    Details
    ISSN: 0049-8246
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Physics
    Notes: Thin windows for X-ray spectrometer flow counters can be produced by stretching unorientated polypropylene film. A piece of the stretched film is clamped into a holder and pressed onto a copper ring made from thin copper sheeting. The mounted window is then suspended in a high vacuum coating unit and flashed with aluminium to a thickness of approximately 20 nm.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/xrs.1300050105
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    Paper (German National Licenses)
    Fulltext
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