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《Journal of Analytical Science》 2000-05
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A Study on the Synthesis of p-Arsonobenzenediazoaminoazo- benzene and Its Color Reaction with Cd(Ⅱ)

CHEN Ying wu, ZHANG Hui juan (Department of Pharmaceutical Technology, Wuhan Institute of Chemical Technology, Wuhan, 430074)  
A new color reagent p arsonobenzenediazoaminoazobenzene was synthesized. Its spectrophotometric characters with Cd(Ⅱ) was studied. In a basic medium (pH 10.5 ) and Triton X 100, the color reaction of this reagent with Cd(Ⅱ) had a high sensitivity ( ε 472 =9.1×10 4 L·mol -1 ·cm -1 ). Beer's law was obeyed for Cd(Ⅱ) in the range of 0~10 μg/25 mL. The reagent has been applied to the determination of Cd(Ⅱ) in the lake water.
【CateGory Index】: O657.3
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【Secondary References】
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1 LONG Weiran, HONG Tao, DING Zhongtao, CAO Qiue (School of Chemical Science and Technology, Yunnan University, Kunming,Yunnan 650091, China);Studies on the Synthesis of 1-(2-naphthalene)-3-(2-thiazole)-triazene and Its Application for the Spectrophotometric Determination of Palladium(Ⅱ)[J];Precious Metals;2008-03
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