Homebrew PCBs

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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