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"Never dump" Electropolishing Solution

Q. I am interested in any information regarding a 'self-regulating' electropolishing solution for stainless steel. By self-regulating I am referring to the ability of the solution to be operated without accumulating dissolved iron. I have seen some reference to an electropolish solution with this property, but can't find more information about this.

Thanks for your help.

Thomas Kemp
- Erie, Pennsylvania, USA
2001

A. There are solutions based on acids, and solutions based on salts. Both drop iron on the bottom.

Anna Berkovich
Russamer Lab - Pittsburgh, Pennsylvania
(ed. update July, 2025: sorry, Anna has retired)
2001

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