Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

On Mon, 06 Feb 2006 22:07:14 +0100, leon_heller
<leon.heller@...> wrote:

> If you use HCl and H2O2 for etching, and acetone for cleaning, don't
>
> add the acetone to the etchant for disposal. It might form TATP, which
>
> would be very unstable at room temperature and could explode, although
>
> it is unlikely.
>
>
> Leon

More importantly, don't buy H2O2 together with Acetone and strong acids.
That might just make them suspicious in some countries.

ST