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topic 5285

Activation of Silver for Further Electroless Plating


Does anybody know, how, or with what chemical, to pretreat ( activate ) a silverplated surface for a further electroless plating process (nickel). I appreciate any suggestion or ideas.

Michelle Yarce
- Switzerland


Try using a cathodic cyanide-based desmut followed by a Wood's nickel strike. I can't guarantee it will work but it's the best I can think of for now.

John Reid
- Brisbane, Qld, Australia


Never having done this, I suppose I would try a copper cyanide strike followed by Watts nickel strike, then electroless nickel.

pooky tom pullizi signature
Tom Pullizzi
Falls Township, Pennsylvania


Use only cathodic cleaning; then nickel strike (very easily activated).

If the silver is stained, manually scrub or remove in a cyanide solution.

Gabriel Schonwald
Bnei Berak, Israel

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