Metal finishing Q&As since 1989

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Electroplating Zn-Ni

2006

Dear Sir,

I Ph,D student my research (Development Zn-Ni base system),Im working (12-14%Ni)my bath composition ZnO 3.88 g/l,NiSO4.6H20 1.33g/l,NaOH 45 g/l,diethyletryemine 1 ml, My bath 300 cc ,anode pure Ni after that replaced by pure Zn,purged Nitrogen pure,Im using potentiostat -900 mv to -2000 mv using reference electrode Ag/AgCl/KCl, My problem the result test by X-Ray or X-Ray fluorescent 90% Ni,10% Zn this means opposite result.

Rabea
Ph.D researcher - Amman, Jordan

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I'm not sure if I understood the question, Rabea. You were trying to get a deposit with 12-14 percent nickel, but X-Ray testing has proven that the deposit is actually 90 percent nickel? Is that what you've said?

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2006

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Dear Sir,

many thanks for your reply (that is true what I would said), please you didn't tell me a solution for this problem.

Rabea
Researcher - Amman Jordan
2006