摘要
采用紫外分光光度法,以邻苯二胺为显色剂测定了12种药材中微量硒的含量.本法回收率为98.95%,变异系数1.34%.
UV method for determination of selenium in traditional Chinese medicine was developed by using o -phenylenediamine as coloring reagent. The contents of selenium in 12 kinds of traditional Chinese medicine were obtained. The average recovery of this method was 98. 95%. and the coefficient of variation was 1. 34%.
出处
《广东微量元素科学》
CAS
1995年第7期65-67,共3页
Trace Elements Science