Determination of Elements Seleninum in Se Semen Cassiae by Graphite Atomic Absorption Spectrophotometer / 中国中医药信息杂志

ABSTRACT

Objective To explore the determination of elements selenium content in Se Semen Cassiae. Method Selenium content in Se Semen Cassiae was measured by graphite atomic absorption spectrophotometer. Result and Conclusion An appropriate extraction method and digesting condition were screened out. The determined results were accurate when the digested sample was dissolved and metered volume with 1% HNO3 which containing 0.1% Tween 80.