氢化物原子荧光光谱法同时测定血液透析用水中的砷和锑

Simultaneous determination of arsenic and antimony in blood dialysis water by hydride atomic fluorescence spectrometry

目的:建立一种氢化物原子荧光光谱法同时测定血液透析用水中的砷和锑的方法。方法:优化测定条件,采用氢化物原子荧光光谱法同时测定血液透析用水中的砷和锑。结果:砷和锑的检出限、相对标准偏差、回收率分别为:0.40μg/L和0.50μg/L;2.2%～4.2%和3.2%～5.3%;94.0%～101.2%和98.9%～103.6%。结论:本方法灵敏度高,准确、快捷,能同时测定血液透析用水中的砷和锑,省时、省力。

Objective：To establish a method for the simultaneous determination of arsenic and antimony in blood dialysis water by hydride atomic fluorescence spectrometry.Methods：The working condition of the determination were studied and optimized for the simultaneous determination of arsenic and antimony in blood dialysis water by hydride atomic fluorescence spectrometry.Results：The detection limits of this method were found to be 0.40 μg /L for arsenic and 0.50 μg /L for antimony,and the RSD were in the range of 2.2%～4.2% for arsenic and 3.2%～5.3% for antimony.The recovery tates of standard spiking for arsenic and antimony were in the range of 94.0%～101.2% and 98.9%～103.6%,respectively.Conclusion：The method is sensitive,accurate and rapid.It can be adopted for simultaneous determination of arsenic and antimony in blood dialysis water.