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topic 3233

Anode grade Graphite


I need inert anode for use in Fluoboric acid bath. Is it possible to get anode grade graphite? Thanks in advance Y.V.Deval

Deval Yashawant Vishwanath
- Pune, Maharashtra, India


Which metal? Cadmium fluoborate baths require cadmium anodes. Indium fluoborate baths require indium and platinum or graphite, so yes, get yourself a graphite anode for that one. Regards, Tom

tom pullizzi portrait
Tom Pullizzi
Falls Township, Pennsylvania


Dear Tom

the cathode efficiency is lower than the anode efficiency. As a result the Tin level in bath goes up and I need to bring it back. I can use inert anode along with Tin anode or during night using inert anode I could remove excess Tin. It is a fluoborate chemistry. Any suggestions are most welcome. At present it is necessary to dilute the bath to get Tin in working range. This is very wasteful. Vijay

Deval Yashawant V.
- Pune, Maharashtra, India

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