Re: Cyanotype and silver print?
David Morrish (dmorrish@beothuk.swgc.mun.ca)
Mon, 28 Oct 1996 09:06:47 -0330 (NST)
On Mon, 28 Oct 1996, Terry King wrote:
> You said:
> >What I would like to ask: are a "normal" processed B/W silver print and a
> >cyanotype chemically compatible. I would like to coat finished B/W print
> >for cyanotype (shouldn't be a problem I think) and expose (maybe a
> >problem, a lot of UV exposure on the B/W print?).
>
> The difficulty with this approach is that the potrassium ferricyanide in the
> cyanotype solution is a silver bleach.
> The silver in your BW print would oxidise to a salt a disappear !
> Terry King
If one really wants to combine the neutral B&W with the cyan, how about
protecting or sealing the B&W print from the ravages of the Pot Fer with
a coating of acrylic medium? (front and back) Having NO experience with
this, I'm only throwing this in for those who may know better ... :-)
Interesting image of an image though...
Dave Morrish
Newfoundland, Canada