> Dear friends-
>
> I recently saw some traditional silver photographs which were
> "thiocarbamide" toned or alternately, "selenium and thiocarbamide" toned.
> Quite a beautiful split-toned effect....I've never heard of thiocarbamide
> toning. Could someone give me some background wizard@laplaza.org (and perhaps even some how
> to)? Thanks alot!
>
> Jon Bailey
>
Thiocarbamide is another name for thiourea, and this may help you
reference some toning formulas. It is usually used in conjunction with
gold. I would recommend Clerc's "Photography, Thoery and Practice, second
edition" as a most wonderful reference source.
Hope this helps.
John
----------