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

1994-12-20

1998-02-24

Gibson, Sharon

Cleaning and liquid contact with solids

Processes

For metallic, siliceous, or calcareous basework, including...

134 41, 252 791, 252 792, 252 793, 252 794, 2521861, 25218621, 2521881, 2521882, C23F 306, C23F 303, C23G 110, C23G 112

Patent

active

057208239

ABSTRACT:
A chromium and ferricyanide free aqueous deoxidizer/desmutter for aluminum and magnesium alloys contains nitric acid, ferric ions, and molybdate and/or condensed molybdate anions and preferably also sulfate and fluoride.

REFERENCES:
patent: 2441300 (1948-05-01), Vande Bunte
patent: 3140203 (1964-07-01), Grunwald
patent: 3275562 (1966-09-01), Smith
patent: 3510430 (1970-05-01), Mickelson et al.
patent: 3728188 (1973-04-01), Yarrington
patent: 4883541 (1989-11-01), Tadros
patent: 4886616 (1989-12-01), Yamasoe et al.
patent: 5393447 (1995-02-01), Carlson et al.
CRC Handbook of Chemistry and Physics 63rd ed. (1982-1983) p. B-121.
JP 0322659A Oct. 1991 As Abstracted by Chemical Abstract 91-336533.

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