Leon wrote:
>
> ----- Original Message -----
> From: "Dave" <theschemer@... <mailto:theschemer%40cox.net>>
> To: <Homebrew_PCBs@yahoogroups.com
> <mailto:Homebrew_PCBs%40yahoogroups.com>>
> Sent: Saturday, November 24, 2007 8:00 PM
> Subject: [Homebrew_PCBs] most popular etchant?
>
> >I was just going to start with ferric chloride but after some more
> > reading I found I can make my own etchant by mixing muriatic acid with
> > hydrogen peroxide. Has anybody tried this or currently use this method
> > and if so, how good does it work? I have a $10 coupon if I spend $25 at
> > Lowes and can use it wisely on acetone and muriatic acid while I am
> there
> > :)
>
> You might get asked some awkward questions - actetone, H2O2 and HCl
> are used
> to make triacetone triperoxide or TATP, the suicide bomber's favourite
> explosive. 8-)
>
> Leon
> --
> Leon Heller
> Amateur radio call-sign G1HSM
> Yaesu FT-817ND and FT-857D transceivers
> Suzuki SV1000S motorcycle
> leon355@... <mailto:leon355%40btinternet.com>
> http://www.geocities.com/leon_heller
> <http://www.geocities.com/leon_heller>
>
I picked up a 2-gallon pack as thats the only way they sell it. It was
just under $10. Its commonly used in pools here in the US and I also
used it to "etch" my floor in my workshop years ago before applying a
stain and that was the manufacturers directions.
Thanks,
Dave
>
>
> _
> _,___