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Re: glyoxal yellowing - is this old news?



Try Tri-Ess Sciences, 1-800-274-6910; it is under chromium potassium
sulfate.
cza
----- Original Message -----
From: Clay Harmon <wcharmon@wt.net>
To: <alt-photo-process-l@sask.usask.ca>
Sent: Monday, May 13, 2002 5:27 PM
Subject: glyoxal yellowing - is this old news?


>
> I just pulled out a palladium print that I had sized after printing about
a
> month ago, but had forgotten to finish with a gumover layer. The sized
area
> had yellowed tremendously! Has anyone had any a problem with the paper
> yellowing after sizing with gelatin and glyoxal? I seem to recall some
> discussion of this a while back, but can't find the exact thread. Does
> chrome alum resist yellowing better? And where do you get chrome alum?
> Neither B&S, Artcraft, or the Formulary carry it, at least on their web
> pages.
>
> Thanks for any help.
>
>
> Clay
>
>