gnupic@linuxhacker.org

On Fri, 25 Apr 2003, niv levy wrote:
> brand) dissolving it in water and etching in ferric
> chloride. ( when i priced persulfate it came out
> around 40$/kg and i didn't want to spend the money,
> though i agree that it's probably better)
>
That's strange... Here in the UK a sodium persulphate based etchant costs 
UK£15 per kilo. That's powder, enough to make 5 litres.
As opposed to a 250ml bottle of ferric chloride at UK£8..

Tim