ELECTRO-EROSION METAL AND ALLOY DISPERSION METHOD Russian patent published in 1995 - IPC

Abstract SU 1760698 A1

FIELD: electro-erosion dispersion of platinum-group metals. SUBSTANCE: method involves conducting electro-erosion dispersion of metals in working medium containing, g/l: formic acid 12-27; oxalic acid 0.2-07; ammonium hydroxide 0.52-1.18; water the balance. In the process of dispersion pH is maintained within the range of 1.5-4.5 by adding formic acid. EFFECT: increased efficiency. 1 tbl

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SU 1 760 698 A1

Authors

Lapitskaja E.V.

Slotintseva M.G.

Tykochinskij D.S.

Rytvin E.I.

Kuz'Min V.M.

Dates

1995-12-20—Published

1989-09-15—Filed