[alt-photo] Re: NICKEL (NOT COPPER)-GREEN CYANO TONER

[Alberto Novo]

> I believe that the original formula is in M. Ware "Cyanotype: The History, 
> Science and Art of Photographic Printing in Prussian Blue".
> It is not really green, but a shift towards greenish-blue. Just soak the 
> print in a 5-10% solution of Ni(II) salt (i.e. NiSO4) for about one hour. 

You can find more details in:
http://www.mikeware.co.uk/downloads/Conserving_Cyanotypes.doc
at pp. 14-15
When you are prompted for an action, choose "save as". 

Alberto
www.grupponamias.com
www.alternativephotography.com/wp/photographers/rodolfo-namias-group