Acid/extraction treatment of bivalves for organotin speciation

被引：19

作者：

GomezAriza, JL ^{[1
]}

Morales, E ^{[1
]}

Giraldez, I ^{[1
]}

Beltran, R ^{[1
]}

Escobar, JAP ^{[1
]}

机构：

[1] UNIV SEVILLA,FAC MED,DEPT BIOQUIM BROMATOL & TOXICOL,SEVILLE,SPAIN

来源：

FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY | 1997年 / 357卷 / 07期

关键词：

D O I：

10.1007/s002160050294

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A method is described for leaching of nanogram amounts of monobutyltin (MBT), dibutyltin (DBT), tributyltin (TBT), monophenyltin (MPT), diphenyltin (DPT), triphenyltin (TPT), and monomethyltin (MMT) from bivalves. The procedure is based on soaking the samples in a water-hydrogen bromide mixture (1:1) with magnetic stirring for 30 min followed by extraction with a 0.04% (w/v) tropolone solution in dichloromethane for 2 h. Organotins are determined by GC-FPD after clean-up through a Florisil column and fat hydrolysis by 1 mol/L NaOH, followed by derivatization through Grignard pentylation. The method has been applied for an investigation of the occurrence of organotins in bivalves in south-west Spain.

引用

页码：1007 / 1009

页数：3

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