Phosphate-free spray cleaner for metals

Details Phosphate-free spray cleaner for metals Phosphate-free spray cleaner for metals

1976-12-27

1978-06-06

Albrecht, Dennis L.

Compositions

Electrically conductive or emissive compositions

Metal compound containing

252 89R, 252135, 252156, 252173, 252DIG1, 252DIG14, C11D 308, C11D 310, C11D 333

Patent

active

040935663

ABSTRACT:
Spray cleaner formulations useful in the surface treatment of metallic amition components and the like and comprising sodium metasilicate, sodium carbonate, and either sodium hydroxide or ethylenediamine tetraacetic acid, the cleaner formulation being completely devoid of phosphates such that the spent cleaning formulation, when discharged into waterways, will not promote algae growth therein or eutrophication thereof.

REFERENCES:
patent: 2099743 (1937-11-01), Kroeger
patent: 3852209 (1974-12-01), Hofmann
patent: 3910855 (1975-10-01), Abeles

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