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1963•Bulletin of the Chemical Society of JapanRequires access

Studies of the Solvent Extraction of Zirconium-95 in the Tribenzylamine-Hydrochloric Acid System

Takashi Omori, Nobuo Suzuki

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Abstract

Abstract The extraction process of zirconium-95 from hydrochloric acid solutions tribenzylamine is shown by the following reactions: ZrCl62−+2RCl\ightleftharpoonsR2ZrCl6+2Cl− followed by the reaction of the above species with TBA-Cl in a chloroform solution: R2ZrCl6+2RCl\ightleftharpoonsR2ZrCl6·2RCl The main extractable species of zirconium, ZrCl62−, is formed from the zirconyl ions: Zr(OH)2Cln(2−n)++2H++(6−n)Cl−\ightleftharpoonsZrCl62−+2H2O On the basis of the present results and of previously reported data on niobium extraction, some information with respect to the optimum conditions for the separation of zirconium and niobium have been given.

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Abstract The extraction process of zirconium-95 from hydrochloric acid solutions tribenzylamine is shown by the following reactions: ZrCl62−+2RCl\ightleftharpoonsR2ZrCl6+2Cl− followed by the reaction of the above species with TBA-Cl in a chloroform solution: R2ZrCl6+2RCl\ightleftharpoonsR2ZrCl6·2RCl The main extractable species of zirconium, ZrCl62−, is formed from the zirconyl ions: Zr(OH)2Cln(2−n)++2H++(6−n)Cl−\ightleftharpoonsZrCl62−+2H2O On the basis of the present results and of previously reported data on niobium extraction, some information with respect to the optimum conditions for the separation of zirconium and niobium have been given.

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Available abstract

Abstract The extraction process of zirconium-95 from hydrochloric acid solutions tribenzylamine is shown by the following reactions: ZrCl62−+2RCl\ightleftharpoonsR2ZrCl6+2Cl− followed by the reaction of the above species with TBA-Cl in a chloroform solution: R2ZrCl6+2RCl\ightleftharpoonsR2ZrCl6·2RCl The main extractable species of zirconium, ZrCl62−, is formed from the zirconyl ions: Zr(OH)2Cln(2−n)++2H++(6−n)Cl−\ightleftharpoonsZrCl62−+2H2O On the basis of the present results and of previously reported data on niobium extraction, some information with respect to the optimum conditions for the separation of zirconium and niobium have been given.

Key concepts: Zirconium, Chemistry, Hydrochloric acid, Niobium, Chloroform, Extraction (chemistry), Inorganic chemistry, Solvent extraction

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