Acid replacement solution for cleaning non ferrous metals

Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...

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510272, 510405, 510418, 134 3, 134 41, 134 42, C11D 708, C11D 710, B08B 304, B08B 308

Patent

active

058957820

ABSTRACT:
A solution for cleaning metal surfaces particularly non ferrous alloys such as copper, brass and high strength aluminum alloys. The solution is prepared by mixing Ca(OH).sub.2 and KOH with equivalent sulfuric acid in water then passing the solution through a 10 micron filter. the resulting concentrate can be used full strength or diluted depending on the degree of surface oxidation of the metal to be treated.

REFERENCES:
patent: 3625908 (1971-12-01), Magin
patent: 5683725 (1997-11-01), Malik et al.

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