The determination of platinum,palladium, rhodium,and iridium in perchloric acid solutions of associated base metals |
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| Authors: | A. S. Lee F. E. Beamish M. G. Bapat |
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| Affiliation: | (1) Department of Chemistry, University of Toronto, Toronto 5, Ontario, Canada;(2) Dept. of Mines, Agriculture and Resources, Assay Section, Confederation Bldg., St. John's, Newfoundland |
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| Abstract: | Summary The report deals with an unsuccessful attempt to corroborate the reported successful conversion of platinum and base metals in a perchloric acid medium to the chloride salts. A hydrolytic precipitation and subsequent dissolution in hydrochloric acid removed the perchlorate ion with sufficient efficiency to allow the use of a cation exchange separation. A subsequent series of extractions and spectrophotometric methods was used to determine the platinum metals.
Zusammenfassung Der Versuch, Platin und unedle Metalle in Perchlorsäure-Medium in Chloride zu überführen, verlief erfolglos. Die hydrolytische Fällung und nachfolgende Lösung in Salzsäure führte zu hinreichender Entfernung der Perchlorationen, um eine Trennung mit einem Kationenaustauscher vorzunehmen. Extraktionen und spektrophotometrische Methoden wurden zur Bestimmung der Platinmetalle verwendet.
Research Fellow on leave from Banaras Hindu University, India. |
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