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

----- Original Message -----
From: "Mike Young" <mikewhy@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Monday, February 06, 2006 10:49 PM
Subject: Re: [Homebrew_PCBs] Acetone, HCl and H2O2 warning


> ----- Original Message -----
> From: "leon_heller" <leon.heller@...>
>
>
>> 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.
>
> So, what are the precise admixtures? I want to avoid combining the
> chemicals
> in that particular dangerous manner.

Try Googling for TATP recipes. However, if you are in the USA you might get
the FBI after you as the NSA is monitoring internet traffic for that sort of
thing.

Leon