The pretreatment of sample and the experimental conditions that influence the atomic fluorescence signal intensity of As and Hg were investigated.
研究了样品前处理及实验条件对测定砷、汞的原子荧光强度的影响，并探讨了共存离子对测定砷、汞的干扰和消除的方法。
The determination of germanium in panax genseng C. A. mey and the pretreatment of sample were discussed. This method is efficient and rapid. The recovery is in the range of 98.90%-99.78%.
采用灰化法分解人参样品，用分光光度法测定人参中的有机锗含量，方法简便，快捷， 回收率为98.90 %— 99.78%。
The pretreatment conditions of sample, background absorption interference, the detection limit and characteristic concentration were investigated.
对样品处理条件、背景吸收干扰、出限及特征浓度进行了考察。
应用推荐