凝胶电膜萃取联用ICP-MS分析水样中的稀土元素

Determination of Rare Earth Elements in Water Samples by Gel-electromembrane Extraction Coupled with ICP-MS

以环境水样品中的稀土元素作为目标,通过凝胶电膜萃取将稀土元素从水样中萃取到酸性接收相中,随后通过ICP-MS测定。优化了影响凝胶电膜萃取的实验条件,评价了所提出分析方法的方法性能,并将其应用于环境水样中稀土元素的测定。本方法线性系数良好、检测限低、精密度高、分析速度快且绿色环保。

The rare earth elements in environmental water samples were taken as the target,and the rare earth elements in environmental water samples were extracted from water samples to acid receiving phase by gel-electromembrane extraction method,and then determined by ICP-MS.The experimental conditions affecting gel-electromembrane extraction were optimized,the performance of the proposed method was evaluated,and it was applied to the determination of rare earth elements in environmental water samples.This method has good linear coefficient,low detection limit,high precision,fast analysis speed and environmentally friendly.