Abstract：The decolorizing reaction character of polyhalogenated bisazo derivative of chromotropic acid containing-AsO~3H~2 (PHA) with ascorbic and by copper(Ⅱ) catalysis has been investigated. The influence of reagent structure on decolorizing reaction kinetic character and the reaction mechanism have been discussed. The method for the determination of trace copper(Ⅱ) by using trichloroarsenazo was studied. The detection limit is 3.06×10^-^1^2g/mL and linear range is 0~28ng/10mL for copper(Ⅱ). The method has been applied to the determination of trace copper in bio-material with satisfactory results.
缪吉根,蔡汝秀,曾云鹗. 铜(Ⅱ)催化PHA的褪色反应特性及应用[J]. 化学学报, 1995, 53(6): 590-594.
MIAO JIGEN;CAI RUXIU;ZENG YUNE. The character of PHA decolorizing reaction with copper(Ⅱ) catalysis and its application. Acta Chimica Sinica, 1995, 53(6): 590-594.