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Subject: Re: Etchants is use

From: "Ted Bruce KX4OM" <kilocycles@...>
Date: 2007-07-12

Jeff,
I've always wondered where one can buy HCl and other chemicals of that
ilk.

Ted KX4OM

--- In Homebrew_PCBs@yahoogroups.com, "Jeffrey Jenkins"
<tesseract@...> wrote:
>
> --- In Homebrew_PCBs@yahoogroups.com, JanRwl@ wrote:
> > I heat FeCl3, too. But do you heat the HCl/H2O2 as well, or use it
> at "room
> > temp"?
> > Thanks! Jan Rowland
>
> It warms up a little when you add the peroxide, so let's say it is
> used at around 20F above "room temp". You really want to make and use
> this stuff outside because of the HCl fumes (which actually ∗diminish∗
> after mixing with the peroxide), so heating it up in the microwave or
> on the stove would probably be a "recipe" for a kitchen disaster...
> pardon the bad pun.
>
> -Jeff
>