"Robert A. LaBudde" wrote:
>
> I've looked a little more into the question of recycling ferric chloride
> etchant by electroplating the copper out and revitalizing the reduced iron
> to the oxidized form.

>From a back yard hobby point of view, if you use my method of etching,
the solution stays clean as a whistle until it no longer etches. I don't
know why the process stops, but I presume the composition of the etchant
changes with use.

--
Best regards

Tony

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