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Homebrew PCBs

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Re: [Homebrew_PCBs] Sulfuric acid should remove TT paper.

2006-12-11 by Herbert E. Plett

--- Borislav Trifonov <bdt@...> wrote: 
> If you dilute concentrated acid, be careful of flash boiling as the 
> dilution is very exothermic.
> 

Danger - Danger - Danger
NEVER add water to sulfuric acid, only slowly add acid to the water...


 
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