摘要
基于H2O2催化TB—Cr(Ⅵ)褪色反应,建立了测定Cr(Ⅵ)的方法.该方法简单快速,线性范围在0～0.624mg.L-1,标准偏差为S=0.014(n=11),用于模拟试样回收率测定,回收率在97.6%～98.6%.
A new method was developed for determination of trace Cr(Ⅵ) by Decolorant-Spectrophotometry,based on the catalytic ox idation of Toludine blue by H_2O_2.The linear range of the determination is 0～0.624 mgL^(-1) Cr(Ⅵ).The method is satisfactory applied to the determination of Cr(Ⅵ) in analogous water.
出处
《内蒙古民族大学学报（自然科学版）》
2004年第5期516-517,共2页
Journal of Inner Mongolia Minzu University：Natural Sciences
