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ACID ACTIVATION

IS 5-7% sulfurIC ACID RINSE REQUIRED AFTER WATTS NICKEL BATH AND ACID COPPER BATH . WE ARE UNDER IMPRESSION THAT BRIGHTENERS STICKING ON TO THE JOB DECOMPOSE IN THIS ACID AND SALTS WILL DISSOLVE IN THIS 5-7% sulfurIC ACID, COMMENTS IN THIS ISSUE (SUBJECT) IS APPRECIATED.

Panjala Mukesh
fashion jewelry mfgr.
Hyderabad, India
2002

Panjala Mukesh,

I do not think you need 5-7 % sulfuric acid concentration after watts nickel bath. You need 4.5 to 5.0 ph for this rinse tank at sorter time rinse.

Popatbhai B. Patel
electroplating consultant - Roseville, Michigan
2002

Why should we have an acid rinse?

Panjala Mukesh
fashion jewelry mfgr.
Hyderabad, India
2002

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