Clear PCB Etchant

[david leigh]

Opps

I meant to say use the frypan to heat water, which the plastic (or whatever) 
container containing the acid and board
is placed into. I dont think putting acid into a electric frypan would be a 
good idea!!!!! Mabe a teflon coated frypan?!!!!!

Dave

>At 07:50 AM 14/09/99 PDT, david leigh wrote:
>  ammonium persulphate.
>
> >To keep the stuff hot, the cheapest way is to go and buy a old electric
> >frypan from the op-shop or wherever and use this to keep the acid 
>cooking.
> >
>.....if that frypan is bare aluminium, I suspect the ammonium persulphate
>will dissolve it faster than the board... anyone tried this?
>
>paul perry Melbourne Australia
>

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