COMPOSITION FOR PRODUCTION OF PASTE FOR CLEANING ARTICLES OF PRECIOUS METALS Russian patent published in 1997 - IPC

Abstract RU 2089587 C1

FIELD: house-hold chemistry, means for cleaning articles of silver and other precious metals. SUBSTANCE: proposed composition comprises, mas. %: technical animal fat, 8-12; calcined soda, 6-10; natural chalk, 46-52; aqueous ammonia, 0.01-0.02; sodium hyposulfite, 0.01-0.02, water, the balance. EFFECT: improved quality of desired composition. 2 tbl

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RU 2 089 587 C1

Authors

Babushkina G.A.

Babushkin O.S.

Dates

1997-09-10Published

1995-07-14Filed