用石墨炉原子吸收光谱法测定水样中的无机锡和有机锡

[Determination of inorganic and organic tin in water samples by graphite furnace atomic absorption spectrometry].

作者信息

He B, Wu D, Jiang G

机构信息

Research Centre for Eco-Environmental Sciences, Academia Sinica,100085 Beijing.

出版信息

Guang Pu Xue Yu Guang Pu Fen Xi. 1999 Oct;19(5):718-20.

PMID:15822277

Abstract

This paper proposed a method for the determination of inorganic tin and organotin species. Total tin contents can be directly detected by zirconium-coated graphite furnace atomic absorption spectrometry,while the organotin was detected by hydride generation combined with solvent extraction and the difference between the total tin and organotin was inorganic tin. The detection limits were 58 pg and 27 pg for organotin and inorganic tin,respectively. The relative standard deviations of this procedure, were 2.13% and 2.04%, respectively. Several water samples were analyzed by this method. The recoveries ranging from 90.5% and 98.5% were obtained.

摘要

本文提出了一种测定无机锡和有机锡物种的方法。总锡含量可通过锆涂层石墨炉原子吸收光谱法直接检测，而有机锡则通过氢化物发生结合溶剂萃取进行检测，总锡与有机锡的差值即为无机锡。有机锡和无机锡的检测限分别为58 pg和27 pg。该方法的相对标准偏差分别为2.13%和2.04%。用该方法对几个水样进行了分析，回收率在90.5%至98.5%之间。