FIELD: noble metals. SUBSTANCE: remelting is carried out in high-frequency induction furnace in oxygen atmosphere in the presence of flux of the following composition, wt. -% : anhydrous borax 92-70; asbestos 8-30, and repeated remelting is carried out in argon atmosphere. EFFECT: improved method of refining. 1 tbl
Title | Year | Author | Number |
---|---|---|---|
METHOD OF LIGATURE PRODUCTION IN VACUUM ARC FURNACE WITH NON-CONSUMABLE ELECTRODE | 2020 |
|
RU2734220C1 |
METHOD FOR PRODUCING BLANKS FROM LOW-ALLOY COPPER-BASED ALLOYS | 2021 |
|
RU2770807C1 |
METHOD FOR PROCESSING METALLIC WASTE MATERIALS OF CAST PERMANENT MAGNET MANUFACTURE | 2005 |
|
RU2323268C2 |
METHOD OF SILVER REFINING | 1991 |
|
RU2013459C1 |
METHOD OF PROCESSING ZINC PRECIPITATES CONTAINING PRECIOUS METALS | 1996 |
|
RU2100458C1 |
METHOD FOR RECYCLING RADIOACTIVE WASTE GENERATED DURING DESTRUCTION OF IRRADIATED FUEL ASSEMBLIES OF FAST NEUTRON REACTORS BY INDUCTION SLAG REMELTING IN COLD CRUCIBLE | 2018 |
|
RU2765028C1 |
PROCESSING OF GOLD-BEARING INORGANIC MATERIALS INCLUDING PROCESSING OF JEWELLERY SCRAP AND GOLD REFINING | 2013 |
|
RU2525959C1 |
METHOD OF PRODUCING ELECTRODES FROM NICKEL ALUMINIDE-BASED ALLOYS | 2015 |
|
RU2607857C1 |
EQUIPMENT FOR PLASTIC INJECTION MOLDING AND METHOD OF ITS MANUFACTURING | 2019 |
|
RU2703630C1 |
METHOD FOR PROCESSING SULFIDE CONCENTRATES CONTAINING NOBLE METALS | 2017 |
|
RU2654407C1 |
Authors
Dates
1995-04-20—Published
1991-03-14—Filed