库仑滴定法定值测定标准物质As_2O_3

Determination on Certification of Standard Reagent As_2O_3 by Coulometric Titrition

利用恒电流库仑滴定法电生碘对As2O3标准物质进行了定值测定,找出了测定过程最佳条件,测定结果与国标法相吻合。与国标法相对比,该方法具有快速、准确等优点,可用于标准物质含量的测定。

Controlled-current coulometric titration of As2O3 with electrogenerated was reported.Found out the best condition of determination,the result of detection was identical with the method of international standard.This method is rapid and sensitive compared with international standard and which can be used for the detection of standard reagent.