RE: Brush development of palladium prints. RE: Potassium Oxalate developer for Platinum printing

Are you doing it for the sake of being able to use fresh developer for
every print or is it something else? (Such as different tonality? Local
development / tone variation?)

TIA,
Loris

-----Original Message-----
From: Don Bryant [mailto:dstevenbryant@mindspring.com]
Sent: 30 Nisan 2006 Pazar 02:35
To: alt-photo-process-l@usask.ca
Subject: Brush development of palladium prints. RE: Potassium Oxalate
developer for Platinum printing

Hi Cor,
>
I did try brush development with glycerol: PotOx 1:1, but I wasn't very
successful with that, got a lot of developer lines, will brush
development also work with FO, I have only read about it connection with
AFO.
>

I've been brush developing palladium prints today and I just thought I
would comment that I'm not getting any developer lines. I mix virgin 10
ml of very warm PO with room temperature glycerin. Pour it onto the edge
of the paper and brush out very quickly. I do see some initial brush
marks but those dissipate quickly after brushing for a minute or two.

I've brush developed pure platinum prints also and never have gotten
permanent brush marks. I think the key for no brush marks is to have a
generous amount of glycerol/potassium oxalate. So for an 8x10 I'm using
a total of 20ml. I do make sure the PO and glycerin are well mixed.

Don Bryant
Received on 05/01/06-06:03:17 AM Z