In situ generation of alkyl sulphides and alkyl disulphides for gas chromatographic identification

New methods for the generation of alkyl sulphides and alkyl disulphides were developed. Alkyl sulphides were generated by the coinjection of S-alkylisothiourea salts and alkyl sulphates or halogenated alkanes into a precolumn containing sodium hydroxide-impregnated Gas-Chrom R. Alkyl disulphides wer...

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Bibliographic Details
Published in:Journal of Chromatography A 1985, Vol.330, p.131-140
Main Authors: Hobo, Toshiyuki, Ishikawa, Kouichi, Suzuki, Shigetaka, Watabe, Katsunori
Format: Article
Language:English
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Summary:New methods for the generation of alkyl sulphides and alkyl disulphides were developed. Alkyl sulphides were generated by the coinjection of S-alkylisothiourea salts and alkyl sulphates or halogenated alkanes into a precolumn containing sodium hydroxide-impregnated Gas-Chrom R. Alkyl disulphides were generated by a mild oxidation of alkanethiols which were generated by hydrolysis of S-alkylisothiourea salts in the same precolumn. The gas chromatograms of the sulphides generated have proven to be useful aids for their identification.
ISSN:0021-9673
DOI:10.1016/S0021-9673(01)81969-5