Phosphating operation

Details Phosphating operation Phosphating operation

2001-06-18

2011-11-22

King, Roy (Department: 1733)

Metal treatment

Process of modifying or maintaining internal physical...

Processes of coating utilizing a reactive composition which...

C148S262000

Reexamination Certificate

active

08062435

ABSTRACT:
Operational problems such as scale and sludge formation which are encountered in phosphating processes using compositions containing zinc and at least one of Ni, Co, or Zn may be alleviated by maintaining an effective level of dissolved iron cations in such compositions.

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