Studies on nessler's reagent and nessler's precipitate part II |
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| Authors: | Pulin Bihari Sarkar Nripendra Nath Ghosh |
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| Institution: | Inorganic Chemistry Laboratory, University College of Science, CalcuttaIndia |
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| Abstract: | The composition of the precipitate formed when the Nessler's reagent is treated with ammonia, is assumed as NHn-1Hg2In, aq. and has been studied potentiometrically from iodine-hypoiodite-system. It has been observed that the value of n depends on the concentrations of HgI4]-2 and OH- ions as well as on the amount of ammonia added and it may vary from 1 to 3. The colour of the precipitate deepens from brown to chocolate as the value of n increases. |
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