Improved process for cleaning metals

A process of removing rust from ferriferous articles comprises treating the articles with an aqueous solution in which the rust-removing ingredients consist of at least 7% by weight of an alkali metal hydroxide and at least 3% by weight of an organic additive. The organic additive is one of the grou...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	SHAW RICHARD ELLIOTT
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY
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