From: Dave Rose (cactuscowboy@attbi.com)
Date: 04/07/03-07:01:54 AM Z
My experience has been that with more gum/pigment in the mix, e.g. 2 parts
gum/pigment to 1 part sensitizer, contrast increases and flaking can be a
problem.
Dave in Wyoming
----- Original Message -----
From: "Christina Z. Anderson" <zphoto@montana.net>
To: <alt-photo-process-l@sask.usask.ca>
Sent: Sunday, April 06, 2003 10:26 PM
Subject: Re: Successful Gum Print
> Ed Buffaloe said>
> > I'm wondering if it would help to reduce the amount of dichromate
solution
> > in the mix? I started with 50/50 gum-pigment and dichromate, then went
to
> > 60/40. Maybe I should try 70/30 to reduce stain further?
> >
> I'd love to know what others do. I have never actually used less
than
> 1:1 gum pigment to am di, altho I have read to use as much as 1
gum/pigment:
> 1 gum: 1 dichromate for shadows. I have used more am di, not less. I
assume
> your contrast would increase with less dichromate.
> Today I coated a BW print with gum and exposed. I tried it on both
> glossy (don't) and matte (yes) and it works. Interesting effect.
> Chris
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