Determination of butyl- and phenyltin compounds in sediments by GC-FPD after NaBEt4 ethylation

被引：40

作者：

CarlierPinasseau, C ^{[1
]}

Lespes, G ^{[1
]}

Astruc, M ^{[1
]}

机构：

[1] UNIV PAU & PAYS ADOUR,CURS,CHIM ANALYT LAB,F-64000 PAU,FRANCE

来源：

TALANTA | 1997年 / 44卷 / 07期

关键词：

butyltin; GC-FPD; NaBEt4; ethylation; phenyltin; sediment;

D O I：

10.1016/S0039-9140(96)02153-4

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A reliable and rapid speciation method for the simultaneous determination of butyl- and phenyltin species in sediment samples has been developed. Two extraction procedures are compared: methanolic hydrochloric acid (at four different concentrations) and ethanoic acid leaching. Derivatization is carried out by the one-step ethylation/extraction procedure using the sodium tetraethylborate reagent directly in aqueous phase in the presence of an isooctane layer. Analysis is performed by capillary gas chromatography hyphenated to flame photometric detection (GC-FPD). Detection limits range from 0.5 to 1.5 ng(Sn) g(-1)(dry weight). Analysis of environmental samples and certified reference materials demonstrate the accuracy of the analytical method. (C) 1997 Elsevier Science B.V.

引用

页码：1163 / 1171

页数：9

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