微波辅助在线分离富集Cd的初步研究

Primary Study on Microwave-assisted On-line Separation and Concentration of Cd

以 71 7阴离子树脂为在线分离富集的柱填充材料 ,用微波等离子体炬原子发射光谱法 ( MPT-AES)测定 Cd,研究了施加微波对分离富集的影响。实验结果表明 ,施加微波明显有利于富集和洗脱过程 ,使 Cd的发射强度明显增大。

In this paper, Cd was determined by microwave plasma torch atomic emission spectrometry (MPT AES) using on line separation and concentration with a strongly acidic anion exchange resin(type 717) as the column packed material. The effect of microwave radiation on the separation and concentration was investigated. The experimental results indicated that under microwave field, the speed up of preconcentration and elution and the increase of emission intensity of analyte were observed.