On Mon, 2009-07-06 at 21:50 -0400, Donald H Locker wrote: > In the USA, I purchased some 30-volume (I think that's 15%) H2O2 > 30 volume is 9%. In a pharmacy they said can mix the thing. But charge 20eur for mixing (plus the product) and that's more than i will pay for the thing. But i forget to ask if they have 'pure'. It also seems to exist some vacuum distillation process for 90% grade rocket fuel. http://www.tecaeromex.com/ingles/destilai.html
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Re: [Homebrew_PCBs] alternative to 3% hydrogen peroxide: 35% animal-grade hydrogen peroxide
2009-07-07 by Simao Cardoso