Re: Platinum print stain

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From: Jeffrey D. Mathias (jeffrey.d.mathias@worldnet.att.net)
Date: 05/18/00-04:39:09 PM Z


Tillman Crane wrote:
> ... It also sounds like a bronzing effect that happens with over exposure on
> palladium prints.

It would be nice if someone could quantify this bronzing effect. It
must depend on more than just over exposure. I have a particular
negative that requires almost a three hour exposure and the uncovered
edge coating does not display any signs of bronzing nor solarization.
Typical exposures are 6.5 minutes with this light source.

At higher than 80F temperatures and higher than 70% RH, I have noticed
some random bronzing and solarization effects. However, I do not know
of any conditions that can consistently produce the bronzing effect.

-- 
Jeffrey D. Mathias
http://home.att.net/~jeffrey.d.mathias/


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