Dennis Waggoner wrote:
>
> Please let me clarify the HCL and H202
>
> HCL is standard Muriatic Acid (aprox 33%)availible at walmart $4.00/gal
> H202 is 3% about a dollar per quart also at walmart the kind used to
> treat cuts
>
> I might add neither are temperature sensitive. I store both in a
> outside garage with extremes of temperature both summer and winter.
> Just make sure you dont store the HCL near anything metal because some
> fumes will leak out and corrode it.
>
> Water dilutes the acid and I alway have a full 5 gallon bucket of
> water near me when I etch. After the etching is completed I carefully
> remove the pcb and rinse it in the bucket. Then I just dump the
> etchant into the five gallon bucket. This makes the disposal easier as
> the solution is then only mildly acidic.
>
> Be carefull dont get your eyes anywhere close to the etchant.
>
> Dennis Waggoner
Dennis, So in the unmixed form is the muriatic acid going to corrode by
fumes leaking or only when mixed with the hydrogen peroxide? I have a
steel building and need to know how far from the walls I need to store
it so I don't mess it up.
Thanks,
Dave
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