原子荧光光谱法测定低硒电解锰中微量硒

建立氢化物发生-原子荧光光谱法测定低硒电解锰中微量硒的快速、准确的检测方法，促进低硒电解锰的出口。运用条件试验，精密度实验及回收率测定对氢化物发生-原子荧光光谱法测定低硒电解锰中微量硒进行试验和研究。Se含量在0～200μg∥L范围内线性关系良好，相关系数为0．9996，检出限为0．010μg／L；在0．02～0．1mg／kg添加浓度范围内，平均回收率在93．2％～90％之间；相对标准偏差为1．96％～2．77％。结果表明该方法灵敏度高，检出限低，精密度和准确度高，操作简捷，安全环保，可广泛应用于低硒电解锰中微量硒的测定。

The Method of Atom Fluorescence Spectrum for the Determination of the Trace Selenium Elements Content in Electrolytic Manganese

We should set up the quick and accurate method of Hydrogenide generate- atom fluorescence spectrum（HG-AFS） for the determination of the trace Selenium elements content in Electrolytic Manganese, advance exit of Electrolytic Manganese. The method of Hydrogenide generate- atom fluorescence spectrum（HG-AFS） is used to determinate the trace selenium elements content in electrolytic manganese, the linear ranges of two Electrolytic Manganese were 0 ～200 μg/L, and the correlation coefficients are 0. 999 6, 0. 010 μg/L respectively.The coverage recoveries from 93.2% to 99.0% ,and the relative standard deviations were between 1.96% and 2.77% o The results shows that the determination method has a good linear relation,lower test limit, higher accuracy, better repeatability, reproducibility and meet the needs of safety environmental protection, which can be widely used in determination the trace selenium elements content in electrolytic manganese.