Title: Study on the Chromatogenic Reaction Mercury(II) with a New Reagent 4,4′-Di(4-Nitrophenyldiazoamino)Diphenyl
Abstract: In this paper the chromatogenic reaction of mercury(Ⅱ) with 4,4′-di(4-nitrophenyldiazoamino)(diphenyl) has been studied.In the presence of OP and CPC and in the medium of Na_(2)B_(4)O_(7)-KH_(2)PO_(4) buffer solution(pH=7.4),mercury(Ⅱ) reactions with the reagents to form an orange-red complex with the molar ratio of 1∶2.The maximum absorption wavelength of the complex lies at 500 nm with an apparent molar absorptivity of(8.9)×10~(4) L·mol~(-1)·cm~(-1).Beer′s law is obeyed in the range of 0~0.64 mg/L Hg(Ⅱ).The method has been applied to the determination of trace mercury(Ⅱ) in waste water with satisfactory results.
Publication Year: 2006
Publication Date: 2006-01-01
Language: en
Type: article
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