From: Carl Weese (cweese@earthlink.net)
Date: 04/10/02-05:38:59 AM Z
> I haven't made the test in platinum, but I've made it in VDB and
> cyanotype, and my students made it repeatedly. (They were required to do
> two "variables tests" per semester, and this was one of the easiest !).
I have done the testing with Pt/Pd and several papers. Different humidity
levels make an enormous difference to the tone of platinum prints, but heat
dried sheets print exactly the same as those dried without heat as long as
they are allowed to come back to the same moisture content. There may be
some papers where this won't hold true, but it holds with commonly used ones
like Platine, Crane Cover, Lenox, Rising Bristol...
---Carl
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