From the little I remember from electro-chemistry, the gas produced is
hydrogen. Certainly in the case of using Sulphuric acid, the gas released
is hydrogen....
I can't think of any reason why it shouldn't be the same for HCl/H2O2,
but I need to check.......
& I can't do that right now......
If there are no other replies I'll have another look at it tomorrow.
Hydrogen, while not itself toxic (from what I remember) - I think its used
in low concentrations for some very deep technical diving that's way over my
head (or should I say way under????) It is lighter than air, and if you
want to find out about problems with hydrogen in confined spaces, just
google "Hindenburg disaster"
HTH
Trev
On Sun, Feb 27, 2011 at 4:22 AM, Randy S. <rj3819@...> wrote:
>
>
> I'm not talking about Chemistry.com here either ..lol
>
> Ok .. using muriatic acid .. with the hydrochloric acid in it mixed with
> peroxide.
>
> I looked a chemelec's website where he uses sulfuric acid and electrodes
> to remove over 90% of the copper, then finishes the board off in ferric
> chloride.
>
> So .. I thought if should work with other acids ..
> I put a electrode in on the negative lead and a scrape piece of board on
> the
> positive lead, started cranking up the voltage .. and it did indeed start
> drawing
> current and bubbling .. no ventilation so I shut it off right away ..
>
> The questions are :
> He mentioned gases from the electro-etch process, which makes sense as
> there are bubbles .. which are toxic .. I assume the gases from his acid
> would
> be different then the gases from mine. Chemistry majors ?? What is the gas
> being released from my H2O2 and HCL LOL
> Some kind of a hydrogen chloride gas ?? sounds toxic and flammable .. lol
>
> I was thinking I would make a setup to use my solution, aearate the tank
> and
> use some electro-etching, if that what it is , to help the process along
> ...
>
> Sound ok ? Would there be problems with that ?
>
> thanks all
>
> Randy - N2CUA
>
>
>
[Non-text portions of this message have been removed]