ICP－AES法同时测定柠檬酸中铁、铜、钙、铅

Simultaneous Determination of Iron, Copper Calcium and Lead in Citric Acid by ICP-AES Method

本文介绍了ＩＣＰ－ＡＥＳ法同时测定柠檬酸中铁、铜、钙、铅的方法。试样以干法分解，盐酸溶解残渣后进行测定。回收率为９０．２％－１０５．８％，ＲＳＤ＜２．６６％。

This report introduces the method of simultaneous determination of iron,copper,calcium and lead in citric acid by ICP-AES method. After decomposing the sample by dry method ,dissolve the residue with HCI then test it. Recovery ratio is 90. 20%-105. 8% ,RSD<2. 66%.