Re: Black spots in Pt./Pd.

From: Kerik ^lt;kerik@kerik.com>
Date: 08/09/05-10:12:19 AM Z
Message-id: <opsu80mtkn9xluie@mail.kerik.com>

Most likely a paper issue... Have you tried other papers recently with
your current batch of FeOx and Pd?

Kerik

> Another Pt./Pd.question.
>
> I have not done any Pt./Pd.printing in about 6-8 months and when I began
> trying to calibrate my materials again I ran into a problem that I have
> not seen before, small black spots on the print that appear during
> development.
>
> The chemistry that I am using 1 part of 25% ferric oxalate plus 1 part
> of 20% palladium chloride. The solutions are clear and are giving very
> good Dmax, even though they were mixed several months ago.
>
> The paper is Lenox, which I have not previously used for Pt./Pd. printing
>
> Does this sound like a paper issue, chemistry issue, or some type of
> contamination I am not understanding.
>
> Sandy
Received on Tue Aug 9 10:11:20 2005

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