Subject: Re: [Homebrew_PCBs] Potentially stupid or brilliant idea
From: Adam Seychell <a_seychell@...> Date: 2008-12-14
Jim Miller wrote:
> Just interested in heating a persulfate etching solution.
It works fine. Like Russell said, the liquid must dampen resonances because I've never seen any burning or arcing of any sort on the copper that is immersed in solution. Also remember etchants are very conductive compared to water. I often heat ferric chloride with the PCB in it.