[alt-photo] Re: further cyanotype observations

[Henry Rattle]

Loris - does A:25%, B:12% mean you take a solution of 2A:1B and then dilute
further with about 2 volumes of water?




On 28/02/2012 14:44, "Loris Medici" <mail at loris.medici.name> wrote:

> Dear Christina,

Could be by both... (BTW, I now exclusively use Alberto's
> A:25%,
B:12%.) I was using Ilfotol (a wetting agent) with some papers - when
I
> first started. (You use Tween there...) I guess it's a matter of
finding the
> optimum balance between the coating volume, wetting agent
and application
> method. (BTW, Masa usually takes less emulsion than
other thicker papers;
> something like 0.2ml per 10 sq. in. But that
depends on the size of the print
> too; I noticed that larger prints
require slightly more emulsion - maybe
> because using larger brushes
and longer application
> times...)

Regards,
Loris.


28 Şubat 2012 16:18 tarihinde Christina Anderson
> <zphoto at montana.net> yazdı:
> Dear Loris,
> From something Alberto said a
> while ago, I wonder if the bleed is due to the ratio
> of A to B also. But I
> have seen bleed in both pt/pd and cyanotype when the
> solution sits on the
> paper and does not
> absorb.
_______________________________________________
Alt-photo-process-list
> | http://altphotolist.org/listinfo