Estimation of cyanide ion in metal salts and complexes by means of chloramine-T and dichloramine-T |
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| Authors: | Mahadevappa D S Gowda B T |
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| Affiliation: | Department of Post-graduate Studies and Research in Chemistry, University of Mysore. Manasa Gangotri, Mysore 570 006, India. |
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| Abstract: | ![]()
A simple and accurate method for the estimation of cyanide in salts and complexes is based on oxidation with chloramine-T (in pH 4 buffer) or dichloramine-T (in presence of acetic anhydride). The oxidation involves a two-electron change. Halides interfere with the estimation of KCN, but the interference can be eliminated by precipitating and determining zinc cyanide. A method for estimating KCN and KCNS in mixtures is also described. |
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