PREPARATION FOR SURFACE CLEANING OF PRODUCTS, MANUFACTURED FROM COPPER AND ITS ALLOYS Russian patent published in 2015 - IPC C23G1/14 C07C229/00 C11D3/04 C11D1/722 

FIELD: chemistry.

SUBSTANCE: invention relates to household chemistry and can be used in household, in vaults of museums, in antique shops, numismatics: coins (ancient and modern), products of cultural and community and cultural and historical purpose, as well as in automobile industry and electrical engineering for cleaning wires, terminals, etc., in alcohol production and beer brewing for cleaning external surface of pipelines, made of copper and its alloys, in armed forces for cleaning firearms barrels to remove soot, residues of copper and its alloys (bronze), remaining from bullets after shooting, from the surface of barrel channels. Described is preparation for cleaning surfaces, which contains: 1.0-2.5% of disodium salt of ethylenediaminetetraacetic acid ("Trilon B); 5.0-10.0% of aminoacetic acid (glycine); 0.1-0.2% of Sintanol DS-10; 5.0-10.0% of caustic potash; 2.5-5.0% of tris(hydroxymethyl)aminomethane ("Tris"); 3.0-10.0% of ethyleneglycol, distilled water (to 100%).

EFFECT: creation of preparation, which cleans surface of objects, made from copper and its allows, effectively.

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