ALKYLTIN SPECIATION IN SEA-WATER WITH ONLINE HYDRIDE CONVERSION AND GAS-CHROMATOGRAPHY ATOMIC-EMISSION DETECTION

被引：23

作者：

DOWLING, TM ^{[1
]}

UDEN, PC ^{[1
]}

机构：

[1] UNIV MASSACHUSETTS,DEPT CHEM,LEDERLE GRAD RES TOWER A,AMHERST,MA 01003

来源：

JOURNAL OF CHROMATOGRAPHY | 1993年 / 644卷 / 01期

关键词：

D O I：

10.1016/0021-9673(93)80125-R

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A method for the speciation of alkyltin pollutants in sea water combines solid phase extraction of organotin species from aqueous samples and an on-line hydride generation technique with gas chromatography, followed by element-specific detection for tin. Detection was performed using a microwave-induced plasma atomic emission detection system which provides a 0.5 pg detection limit for tin and a 3 . 10(4) tin-to-carbon selectivity ratio. Solid-phase extraction provides fast, simple analyte concentration while on-line hydride conversion improves chromatographic behavior and analyte recovery. This combination results in a method capable of measuring pg/ml levels of alkyltin species in the complex matrix of sea water.

引用

页码：153 / 160

页数：8

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