Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, Richard Mustakos 
<rmustakos@a...> wrote:
> Dave
>   Did you try this as a rejuvenator, or just for starters?

First attempt at chemicals.

  When did it 
> outgas, when they were
> mixed, when you were etching, or both? 


All the time.  more if I stirred it.

> If it yields H2O2 when it hits 
> water (per the link
> (http://experts.about.com/q/2460/2671970.htm), it may have, though 
the 
> 'expert'
> disagrees with the product data sheet, product data sheet says CO2) 
it 
> could just
> have been an initial reaction, and turned stable when it was done 
> "converting".  I've got a
> couple of gal of HCl, but only a liter of 3% H2O2, and was looking 
for a 
> way to make up
> the O2 deficit, both immediate and over time.
>   According to the product sheet you pointed to, it 
is 'incompatible 
> with acids' :^)
> Contact with acid generates heat and liberates carbon dioxide.
>   The heat is controllable.  The CO2 gas generation is not an 
issue. 
>  Question is what does
> the K do to the mixture.  I sent the question to a chemistry 
expert - we 
> will see if he answers.
> (same guy at experts.about.com)
> Richard

I don't know what it did, but it did remove the copper.

I'll be very interested in more information.

Dave