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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Archives of toxicology 30 (1973), S. 183-186 
    ISSN: 1432-0738
    Keywords: Benzodiazepines ; Lorazepam ; Thin Layer Chromatography ; Benzophenone Derivatives ; Bratton-Marshall reagent ; Benzodiazepine ; Lorazepam ; Ddnnschichtchromatographie ; Benzophenonderivate ; Bratton-Marshall-Reagens
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Es wird eine Methode zum Schnellnachweis von Lorazepam mit Hilfe dünnschichtchromatographischer Untersuchung des bei der sauren Hydrolyse entstehenden 2-Amino-2′,5-dichlor-benzophenons beschrieben.
    Notes: Abstract A method is described for the detection of Lorazepam by means of thin layer-chromatographic examination of 2-Amino-2′,5-dichlor-benzophenone obtained by acid hydrolysis.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Archives of toxicology 28 (1972), S. 286-295 
    ISSN: 1432-0738
    Keywords: Bromination ; Thin Layer Chromatography ; Barbiturates (Allional, etc. see German Key words) ; Bromierung ; Dünnschichtchromatographie ; TRT-Technik ; Barbiturate (Allional, Amobarbital, Brallobarbital, Butabarbital, Butallylonal, Butethal, Evipan, Itobarbital, Luminal, Medomin, Metharbital, Nealbarbital, Pentobarbital, Phanodorm, Prominal, Propallylonal, Rectidon, Secobarbital, Speda, Talbutal, Veronal)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Durch Behandeln mit Brom am Startpunkt zweidimensionaler Dünnschichtchromatogramme lassen sich viele Barbiturate reproduzierbar in Derivate überführen. Die nachfolgende Trennung gibt Aufschluß über die Struktur und führt anhand der Rf-Werte der Bromaddukte (die sich nach einem mitgeteilten Schema bilden) in den meisten Fällen zu einer genauen Spezifizierung. Die Methode ist auch auf Barbituratgemische anwendbar.
    Notes: Abstract By means of treatment with bromine at the starting point of two dimensional thin layer chromatograms, many barbiturates may be converted to reproducible derivatives. The subsequent separation provides structural information and in nearly all investigated examples permits exact specification of the brominated compounds by way of their Rf values, a scheme of which is included in the article. The method is also applicable to mixtures of barbiturates.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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