摘要
采用二苯氨基脲比色法测定岩石中的铬(Ⅵ),相对误差不大于4.0%,处理成溶液后的检出限为1.62×10^(-7)g/mL。
The Cr( Ⅵ ) was determined by diphenylaminourea colorimetric method with the relative error ≤4.0% , after being treated into solution, the detecting limit is 1.62 ×10^(-7)g/mL.
出处
《化学分析计量》
CAS
2001年第1期23-24,共2页
Chemical Analysis And Meterage
关键词
二苯氨基脲
测定
铬
岩石
比色法
显色剂
diphenylaminourea, colorimetric method, determination, Cr(Ⅵ), rock