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Subject: Re: ETCH TANK'S [COST EFFTIVE]

From: "rmustakos" <rmustakos@...>
Date: 2004-04-13

> Just to point out, the 3% will work, but it's too weak for long term
> use to regenerate.
<snip>>
> Well, that may be true, but from my experiance it isn't. From my
> experiance the sure way to generate lots of chlorine is to put in too
> much H2O2. The extra oxygen bonds with the hydrogen in the HCL to
> make water and in the proccess it frees pleanty of chlorine.
>
> Since I don't use H2O2 to regenerate, I haven't seen this issue since
> I mixed it up to start with.
>
> -Denny
Denny
OK, with my 3% h2o2, sounds like outgasing won't be an issue, just
over dilution. It is also my intention to, post-etch, bubble it back
to life, then store it, maybe keeping some h2o2 for when I really need it.
Thanks
Richard