Hi Darren,
I am finding it difficult to obtain > 3% H202 myself, and since the only purpose of H202 is to generate oxygen, I would very much like to know how to generate ozone instead, as I believe it's a much stronger oxodizing agent?
Also - I meant to ask everyone: is heating HCl + H202 or CuCl2 etchant useful the way it is in case of FeCl3 or is it simply a misconception?
>________________________________
>From: Darren <hillio888@...>
>To: Homebrew_PCBs@yahoogroups.com
>Sent: Monday, July 11, 2011 11:29 AM
>Subject: [Homebrew_PCBs] Re: Hydrogen peroxide mixing
>
>
>
>I just joined this group, and haven't read through the messages, but I thought I would throw my .02 cents in on this one.
>As far as regenerating CuCl2 etchant, O3 works about as well as anything I've tried. Small tube style 03 generators aren't hard to make, assuming that one has any technical ability at all. The process goes faster if one uses O2 to feed the generator as opposed to air, but the method still works fine with regular air. A very small amount of HNO3 can be generated if the air used to feed the generator contains moisture, but HNO3 is a great oxidizer, and would only help the process in my opinion.