The extraction of lead iodide by methyl iso-propyl ketone |
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| Authors: | Philip W West Jack K Carlton |
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| Institution: | Coates Chemical Laboratories, Louisiana State University, Baton Rouge, LouisianaU.S.A. |
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| Abstract: | A method is proposed for the isolation of lead by solvent extraction. When solutions of lead ions are treated with excess potassium iodide and hydrochloric acid (5 %), lead iodide is extracted quantitatively by methyl iso-propyl ketone. Employing a preliminary extraction with methyl iso-propyl ketone after conditioning the aqueous solution with ammonium thiocyanate and hydrochloric acid, practically all interferences are eliminated (except Cd and Ru). |
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