Keywords flow injection;Active carbon silica gel;sodium diethyldithiocarbamate;ICP AES;stop flow technique;microcolumn preconcentration;high purity Eu 2O 3;

• 流动注射;ICP-AES;二乙基二硫代氨基甲酸钠;碳硅凝胶;高纯氧化铕;非稀土杂质测定;