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Subject: Re: [Homebrew_PCBs] Re: Etching tank

From: Russell Shaw <rjshaw@...>
Date: 2007-11-26

Dylan Smith wrote:
> On Sun, 25 Nov 2007, Roland F. Harriston wrote:
>
>> I personally think that Ferric Chloride is one of the worst compounds to
>> have around in a domestic environment, or in any environment that is
>> not specifically designed to accommodate this material.
>
> In my opinion, they are all pretty nasty, and ferric chloride is the least
> nasty of a nasty lot... after all, hydrochloric acid is one of the harmful
> products of mustard gas (a WWI chemical weapon). The EPA classes HCl as a
> toxin, and at concentrations above 25% it's highly corrosive.

Your gut contains a large amount of HCl.

Beware the dangers of dihydrogen monoxide. It can be deadly;)