氢化物发生-原子荧光法测定水溶液中的痕量砷  

Determination of Trace As in Aqueous Solution by Hydride Generation-Atomic Fluorescence Spectrometry

作　　者：张小确[1] 杨德凤[1] 王树青[1] 

机构地区：[1]石油化工科学研究院,北京100083

出　　处：《当代化工》2007年第6期656-659,668,共5页Contemporary Chemical Industry

摘　　要：对氢化物发生-原子荧光法测定水溶液中痕量砷的影响因素进行了综合考察,优化了预还原反应AsO43-→AsO2-和AsH3发生反应的实验条件,使方法的灵敏度、重复性和准确性等性能得到改善。Carried on a comprehensive investigation to impact factor of the determination of trace As in aqueous solution by hydride generation- atomic fluorescence spectrometry （HG- AFS）. The experience condition of the prepare revivification reaction AsO4^3- →AsO2^- and AsH3 had been Optimized. Such as Intelligent degree, repeated and accuracy of the method were improved.

关 键 词：砷 氢化物发生 原子荧光法 

分 类 号：O657.31[理学—分析化学]