Homebrew PCBs

In article <46560B1A.1060401@...>,
   Adam Seychell <a_seychell@...> wrote:
> 've had the same experience, no sparks , boiling, or fizzing of any 
> description when microwaving concentrated ferric chloride, in a open 
> plastic ice-cream container. My only concern is having my head too close 
> above the container of steaming etchant while stroking a paint brush 
> over the PCB. I've done the same with ammonium persulfate.
> Gloves are mandatory.

I've not used or looked into the properties of Ammonium persulphate but I
have used Ferric Chloride and I'd rate eye protection more important than
gloves any day.