Homebrew PCBs

On Sat, 19 May 2007 08:08:10 +0200, Adam Seychell  
<a_seychell@...> wrote:

>
> True. The HCl fumes from CuCl etchants are very corrosive. Although
> FeCl3 does have a tiny bit of HCl, its fumes are much less.


HCl has a very low boiling point.
Even under the boiling point fuming is much increased (look at a cup of  
tea).

I once tried to heat a tiny amount of CuCl in a small glass to compare to  
room temperature, but when i moved my head over the glass i soon dismissed  
the idea.

ST