On 5/29/2016 10:38 AM, duwaynes@... [Homebrew_PCBs] wrote: > > I use the Muriatic Acid, Hydrogen Peroxide mixture with 12% Peroxide > from a beauty supply store with good success. If you do not want to > use the HCL, another solution that is sometimes used is a mixture of > Hydrogen Peroxide, Vinegar, and salt. > But mixing vinegar (acetic acid) and salt (sodium chloride) /results/ in HCl ! Just another way of generating a weak solution of it. ! Norm
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Re: [Homebrew_PCBs] Substitute for Sodium Persulphate
2016-05-29 by Norm