Speciation of organolead compounds in water samples by GC-AAS after in situ butylation with tetrabutylammonium tetrabutylborate

A simple and reliable analytical method for the determination of organolead compounds in water samples has been developed by means of a gas chromatographic-atomic absorption system (GC-AAS). The derivatization of the organolead cations, necessary before their determination, was directly achieved in...

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Bibliographic Details
Published in:Analytical and bioanalytical chemistry 1996-09, Vol.356 (1), p.57-61
Main Authors: BERGMANN, K, NEIDHART, B
Format: Article
Language:English
Subjects:
Analytical chemistry
Chemistry
Chromatographic methods and physical methods associated with chromatography
Exact sciences and technology
Gas chromatographic methods
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Summary:A simple and reliable analytical method for the determination of organolead compounds in water samples has been developed by means of a gas chromatographic-atomic absorption system (GC-AAS). The derivatization of the organolead cations, necessary before their determination, was directly achieved in the water samples by the reagent tetrabutylammonium tetrabutylborate. Hexane/pentane was used to extract the butylated tetraorganolead compounds. The organic layer was dried and purified with sodium sulfate, concentrated by evaporation and injected into a GC-AAS system. The effects of various parameters on the derivatization and extraction procedures were studied and discussed.
ISSN:0937-0633
1432-1130
1618-2650
DOI:10.1007/s0021663560057