摘要
采用催化光度法测定了不同产地黄茂中微量硒的含量。平均回收率96.8%,变异系数2.34%。
A catalytic spectrophotometric method for determination of selenium in radix astragali from different habitats was developed. The average recovery of this method is 96. 8%, andthe coefficient of variation is 2. 34%.
出处
《广东微量元素科学》
CAS
1997年第2期64-65,共2页
Trace Elements Science
关键词
黄芪
硒
催化光度法
测定
Radix astragali, Selenium, Cata1ytic spectrophotometric method