玻璃中总砷的测定——原子荧光光谱法

Determination of Total Arsenic in Glass by Atomic Fluorescence Spectrometry

基于原子荧光光谱法检测玻璃中总砷的测定方法,讨论了整个检验过程中的注意事项与实验条件的选择,实验证明此检测方法检出限低,检出质量分数为1.0×10^(-5)%,准确度高,加标回收率在95%~105%范围内,精密度好,10次重复测定的相对标准偏差不大于3.0%。原子荧光光谱法检测玻璃中总砷的测定方法特别适用于对玻璃中微量砷的检测,满足玻璃行业中对总砷含量的检测。

Based on the method of determining total arsenic in glass by atomic fluorescence spectrometry,the points for precautions and the selection of experimental conditions in the whole testing process are discussed.Experiments show that the detection limit of this method is low,the detection mass fraction is 1.0×10^(-5)%,the accuracy is high,the recovery rate is 95%~105%,the precision is good,the relative standard deviation of 10 repeated determination is not more than 3.0%.The atomic fluorescence spectrometry method for analysis of total arsenic in glass is especially suitable for the detection of trace arsenic in glass,and can meet demand of detection of total arsenic content in glass industry.