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STUDY ON THE COLOR REACTION OF THE NEW REAGENT 1-(2,6-DIBROMO- 4-CARBOXYPHENYL)-4-PHENYLAZOBENZENE-1-TRIAZENE (DBKDAA) WITH CADMIUM(II)

Jin Liu, Wu Bing

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Abstract

The color reaction of cadmium(Ⅱ) with a new reagent DBKDAA was studied and reported in this paper. In the presence of Triton X100, cadmium(Ⅱ) reacts with DBKDAA in a borate buffer solution of pH 1100 to form a red complex with a molor ratio of 1∶4 . The apparent molar absorptivity is 2.05×105L·mol-1·cm-1, at its absorption maxima of 526nm. Beer′s law is obeyed in concentration of cadmium between 0～20μg/25ml. The method has been used to determine trace amounts of cadmium(Ⅱ) in simulated water sample with satisfactory results.

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What this paper is about

The color reaction of cadmium(Ⅱ) with a new reagent DBKDAA was studied and reported in this paper. In the presence of Triton X100, cadmium(Ⅱ) reacts with DBKDAA in a borate buffer solution of pH 1100 to form a red complex with a molor ratio of 1∶4 . The apparent molar absorptivity is 2.05×105L·mol-1·cm-1, at its absorption maxima of 526nm. Beer′s law is obeyed in concentration of cadmium between 0～20μg/25ml. The method has been used to determine trace amounts of cadmium(Ⅱ) in simulated water sample with satisfactory results.

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Available abstract

The color reaction of cadmium(Ⅱ) with a new reagent DBKDAA was studied and reported in this paper. In the presence of Triton X100, cadmium(Ⅱ) reacts with DBKDAA in a borate buffer solution of pH 1100 to form a red complex with a molor ratio of 1∶4 . The apparent molar absorptivity is 2.05×105L·mol-1·cm-1, at its absorption maxima of 526nm. Beer′s law is obeyed in concentration of cadmium between 0～20μg/25ml. The method has been used to determine trace amounts of cadmium(Ⅱ) in simulated water sample with satisfactory results.

Key concepts: Reagent, Molar absorptivity, Cadmium, Color reaction, Chemistry, Triazene, Absorption (acoustics), Trace Amounts

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STUDY ON THE COLOR REACTION OF THE NEW REAGENT 1-(2,6-DIBROMO- 4-CARBOXYPHENYL)-4-PHENYLAZOBENZENE-1-TRIAZENE (DBKDAA) WITH CADMIUM(II) — Research Paper | ScholarLens