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Re: [Homebrew_PCBs] Re: trying to do the right thing

2013-03-10 by Leon Heller

On 10/03/2013 20:57, Rick Sparber wrote:
> Leon,
>
> My chemistry knowledge is small. What does "high-strength" mean?

The ordinary H2O2 you can buy is too dilute. You need the concentrated 
stuff.

Leon
-- 
Leon Heller
G1HSM

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