Composition and process for desmutting and deoxidizing without s

Details Composition and process for desmutting and deoxidizing without s Composition and process for desmutting and deoxidizing without s

1993-07-09

1995-02-28

Lovering, Richard D.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

252 891, 252 792, 252 793, 252 794, 2521861, 2521881, 2521882, 134 3, 134 27, 134 28, 134 41, C23F 400

Patent

active

053934474

ABSTRACT:
A chromium and ferricyanide free aqueous deoxidizer/desmutter for aluminum and magnesium alloys contains nitric acid, ferric ions, persulfate, and molybdate and preferably also sulfate, fluoride, and ethoxylated acetylenic diol surfactant.

REFERENCES:
patent: 2441300 (1948-05-01), Bunte et al.
patent: 4883541 (1989-11-01), Tadros
patent: 4886616 (1989-12-01), Yamasoe et al.
AU-B-23652/88, "Aluminum Surface Cleaning Agent", Jan. 27, 1989, Nippon Paint Co., LTD.

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