Additive for an acid cleaning bath for metal surfaces

Details Additive for an acid cleaning bath for metal surfaces Additive for an acid cleaning bath for metal surfaces

1973-07-25

1976-05-04

Engle, Samuel W.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

134 3, 252 791, C09K 1300

Patent

active

039546454

ABSTRACT:
A method for the preparation of a liquid concentrate solution containing 10 to 60 percent by weight water from which a metal cleaning solution may be prepared by dilution with additional water.
The liquid concentrate was prepared from ferrous sulfate, an oxidant, an acid, a fluoride ion source and water. It may optionally contain ammonia and urea.

REFERENCES:
patent: 2975039 (1961-03-01), Elliott
patent: 3275562 (1963-11-01), Smith
Rose, The Condensed Chemical Dictionary 6th Ed., 1961, p. 1047.
Lange's Handbook of Chemistry, p. 203, 1939.

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