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> And, carefully melt them with your FeCl. First the HCL and later the H2O2as previously discussed, that's NOT regeneration, it's creating CuCl etchant on
>
> http://en.wikipedia.org/wiki/Hydrochloric_acid_regeneration
>
> Here is the detailed info, but, it's in spanish :P
> http://www.xbot.es/webs/robotika/tutoriales.htm#regenerar