Method of cleaning and passivating a metal surface with acidic s

Details Method of cleaning and passivating a metal surface with acidic s Method of cleaning and passivating a metal surface with acidic s

1995-05-31

1997-03-25

Warden, Jill

Cleaning and liquid contact with solids

Processes

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

134 3, 134 41, 148271, 422 12, 510261, C23G 104, C23C 2206

Patent

active

056140282

ABSTRACT:
An acid based cleaning and passivating treatment for metal surfaces is provided. The single step acid based cleaning and passivating is provided by incorporating a corrosion inhibiting amount of an ethoxylated tertiary dodecyl mercaptan into an acidic metal cleaner.

REFERENCES:
patent: 3852213 (1974-12-01), Cooney
patent: 3853638 (1974-12-01), Wilpers
patent: 3932296 (1976-01-01), Byth
patent: 3973998 (1976-08-01), Datta et al.
patent: 4557838 (1985-12-01), Nichols et al.
patent: 4670163 (1987-06-01), Lindstrom et al.
patent: 4670186 (1987-06-01), Quinlan

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