Use of bicarbonates and carbonates in metal cleaning formulation

Details Use of bicarbonates and carbonates in metal cleaning formulation Use of bicarbonates and carbonates in metal cleaning formulation

1996-02-06

1998-12-29

Warden, Jill

Cleaning and liquid contact with solids

Processes

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

134 40, 422 7, C23G 114, C23G 116, C23G 119, C23F 1116

Patent

active

058534903

ABSTRACT:
Prevention of flash rusting of iron-containing substrates is achieved by contacting the substrates with aqueous solutions containing carbonate and/or bicarbonate salts. The treatment process can be effected during cleaning of the substrates with an aqueous alkaline cleaner or during a post cleaning step such as during rinsing of the substrates subsequent to cleaning.

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Corrosion and Corrosion Control, Whlig H.H., John Wiley & Sons, 1963, pp. 102-105.

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