Citation: Chu Ru GONG, Zhi Gang SHE, Hao Xing XU, Bin XU. THE COLOUR REACTION OF CADMIUM WITH 1-(2-BENZOTIIIAZOLYL)-3-(4-PHENYLAZOPHENYL)-TRIAZENE AND ITS APPLICATION[J]. Chinese Chemical Letters, ;1995, 6(9): 787-788. shu

THE COLOUR REACTION OF CADMIUM WITH 1-(2-BENZOTIIIAZOLYL)-3-(4-PHENYLAZOPHENYL)-TRIAZENE AND ITS APPLICATION

Department of Chemistry, Hubei Normal University, Huangshi 435002

Received Date: 6 February 1995

A new triazene reagent 1-(2-benzothiazolyl)-3-(4-phenylazophenyl)-triazene (BTPAPT) has been synthesized.The colour reaction of BTPAPT with Cd (Ⅱ) has been studied.At pH=9~11, in the presence of Triton X-100, the reagent with Cd (Ⅱ) forms a complex with high sensitivity, the molar ratio of Cd (Ⅱ) to BTPAPT is 1:2.The molar absorptivity is 1.4×10⁵L·mol^-1·cm^-1, Beer's law is obeyed for Cd (Ⅱ) in the range of 0-14μg/25ml.
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