Optimisation of the hyphenation between solid-phase microextraction, capillary gas chromatography and inductively coupled plasma atomic emission spectrometry for the routine speciation of organotin compounds in the environment

The hyphenation between solid-phase microextraction, gas chromatography and inductively coupled plasma atomic emission spectrometry (SPME-GC-ICP-AES) has been developed for the speciation of butyl- and phenyltin compounds in sediment and water samples. Factors determining the GC-ICP-AES analysis wer...

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Bibliographic Details
Published in:Journal of analytical atomic spectrometry 2001-01, Vol.16 (12), p.1429-1433
Main Authors: Aguerre, Sandrine, Pécheyran, Christophe, Lespes, Gaëtane, Krupp, Eva, Donard, Olivier F. X., Potin-Gautier, Martine
Format: Article
Language:English
Subjects:
Analytical chemistry
Chemical Sciences
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Summary:The hyphenation between solid-phase microextraction, gas chromatography and inductively coupled plasma atomic emission spectrometry (SPME-GC-ICP-AES) has been developed for the speciation of butyl- and phenyltin compounds in sediment and water samples. Factors determining the GC-ICP-AES analysis were optimised by an experimental design approach to evaluate critical parameters influencing the overall analytical performance system. Quasi-dry plasma conditions and a high helium carrier gas flow rate were required to obtain maximum performance in terms of sensitivity. The use of SPME to preconcentrate the analytes allowed detection limits within 1 to 42 ng (Sn) 1-1 to be obtained for water samples. Validation of the technique was performed by the analysis of certified reference sediment (PACS 2) and a wastewater sample.
ISSN:0267-9477
1364-5544
DOI:10.1039/B106030A