CLEANING AGENT FOR GOLD, SILVER, BRASS, COPPER AND CUPRONICKEL ARTICLES Russian patent published in 2011 - IPC C11D1/04 C11D3/04 C11D3/20 

Abstract RU 2410416 C1

FIELD: chemistry.

SUBSTANCE: invention can be used in household chemistry. The cleaning agent contains the following, wt %: citric acid 1.3-1.6, ethyl alcohol 3.3-3.7, oleic acid 7.1-7.9, 25% aqueous ammonium solution 2.4-2.9, kaolin 21.9-23.5, preservative 0.2-0.6, water - the rest.

EFFECT: efficient cleaning of surfaces of articles made from gold, silver, brass, copper and cupronickel.

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RU 2 410 416 C1

Authors

Efremova Tamara Ivanovna

Dates

2011-01-27Published

2009-09-04Filed