A Study on the Determination of Trace Chromium by Cr(Ⅵ)-TBAA HNO_3 Catalytic Kinetic Spectrophotometry
ZHANG Da lun *, CHENG Chun hua, DU Xi wei (Department of Pharmaceutical Technology,Wuhan Institute of Chemical Engineering, Wuhan, 430073)
A method for determination of trace chromium by Cr(Ⅵ) TBAA HNO 3 catalytic kinetic spectrophotometry is developed. Standard sample of cast iron and hair samples are determined with satisfactary results.
【CateGory Index】： O614.611;O657.3