On 17/02/14 16:02, Russell Shaw wrote:
If you started with concentrated ferric chloride, it should be diluted 1:1 with
water. The water gives "room" for the reactants. I'm assuming the ferric
I think you are talking cross-purposes here. The poster is having problem with Cupric Chloride,not Ferric Chloride.
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Message
Re: [Homebrew_PCBs] Reducing CuCl etchant foaming
2014-02-17 by James