topic 4767

Caustic Potassium Permanganate

(2000)

I recently came across reference to "out of tank" chemical or electrolytic regeneration of caustic potassium permanganate solutions. The reference was associated with other information from the Printed Circuit Board industry. Is there a good reference available which discusses this technology?

We are using a caustic potassium permanganate solution as a descale for Inconel and stainless steel details. I am interested in appropriate bath maintenance techniques to prolong bath life and optimize performance.

Brent Pettegrow
- North Berwick, Maine, USA

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