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How to prevent black anode film when black nickel plating

Dear sir,

I am doing black nickel plating from cyanide bath. After the plating, black film was formed on anode. How to prevent the black film formation.

V.Thanga Raj
National Institute of Technology Karnataka - Mangalore, Karnataka, India
2004

Use Pulse plating.

Khozem Vahaanwala
Saify Ind

Bengaluru, Karnataka, India

2004

Hi Mr Vahanwala,

I won't think a guy from institute can understand your one word answer.

Kindly elaborate.

Izhar

Mohammed.Izhar-ul-haq
- Singapore

I don't know much about black nickel plating. What is your anode made of. If it is nickel and dissolves, some residue on the anode would be normal.

Don Piett
- Thompson, Manitoba, Canada
2004

I have used nickel anode only.

V.Thangaraj
- Karnataka, India
2004

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