Letter 23019

Electropolishing platinum-iridium alloys [California] 

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I am interested in learning how to electropolish platinum-iridium alloys (Pt - Ir). I would appreciate any suggestions on what electrolyte, voltages, current densities, and cathode material to use for my project. Is a pretreatment required prior to electropolishing?

Jim Carlson
- Gilroy, California, USA

Dear Jim, This question has been asked before on this website. I don't know of any electropolishing methods currently used for platinum or platinum alloys. For a large amount of information on working with platinum, you may want to check the Platinum Guilds technical website www.pgi-platinum-tech.com . Good luck,

Jim Sivertsen
- Alden N. Y.

Hi Jim,

I'm looking for an EP process (for PtIr 80/20), Do you already find a proper solution?

Regards,

Oded NISSAN
- Raanana, Israel

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