![]() C22B- PRODUCTION AND REFINING OF METALS PRETREATMENT OF RAW MATERIALS.C22- METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FERROUS METALS.Assignors: ETSELL, THOMAS H., KUNDA, WASYL Application granted granted Critical Publication of US4755453A publication Critical patent/US4755453A/en Anticipated expiration legal-status Critical Status Expired - Fee Related legal-status Critical Current Links Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from CA511317 external-priority Application filed by University of Alberta filed Critical University of Alberta Assigned to GOVERNORS OF THE UNIVERSITY OF ALBERTA reassignment GOVERNORS OF THE UNIVERSITY OF ALBERTA ASSIGNMENT OF ASSIGNORS INTEREST. Original Assignee University of Alberta Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Etsell Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number US06/910,719 Inventor Wasyl Kunda Thomas H. Google Patents Method for recovering silver from waste solutions containing thiosulfate compoundsÄownload PDF Info Publication number US4755453A US4755453A US06/910,719 US91071986A US4755453A US 4755453 A US4755453 A US 4755453A US 91071986 A US91071986 A US 91071986A US 4755453 A US4755453 A US 4755453A Authority US United States Prior art keywords silver solution nitric acid sub treatment solution Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US4755453A - Method for recovering silver from waste solutions containing thiosulfate compounds US4755453A - Method for recovering silver from waste solutions containing thiosulfate compounds
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