Homebrew PCBs

mpdickens wrote:
> Question:
> 
> Is copper laminate plated with phosphorized copper?
> 
> If it is, a cheap source of phosphorized copper for
> thru hole plating would be the copper plated out of
> cucl...
> 
> Regards
> 

You are assuming the phosphor releases into solution and co-deposites with 
the copper and does so in the same concentration ratio (typically 0.05% P) 
they are in the anode material.
Where does the phosphor end up ?

Adam.