On 06/12/2010 01:46 AM, Norm wrote: > It's been 60 years since Chem 101, and I don't recall - do I add the > acid to the H2O2 (water), or the other way around? Do as you ought'er add acid to water If you add a small amount of water to a large amount of acid, the water almost immediately boils and the steam bubbles will throw acid all over the place. Very bad.
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Re: [Homebrew_PCBs] Etching note
2010-06-13 by DJ Delorie