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
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Authors
Dates
1995-04-20—Published
1991-03-14—Filed