Re: Non-acidic fixer for PMK

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From: Steve Shapiro (sgshiya@redshift.com)
Date: 04/22/00-09:13:42 PM Z

You write TF3, do you mean TF 4, the amonia based fixer?

S. Shapiro
----- Original Message -----
From: Sandy King <sanking@hubcap.clemson.edu>
To: <alt-photo-process-l@skyway.usask.ca>
Sent: Sunday, April 23, 2000 6:31 AM
Subject: Re: Non-acidic fixer for PMK

> Don,
>
> With staining developers such as PMK, and the Pyrocatechin Pyrocat
> formula made available in the last issue of Post Factory Photography,
> you will get maximum image stain with alkaline fixers.
>
> In my working conditions Kodak Rapid-Fix has a pH of about 5.2
> (ACIDIC), the TF-3 formula a pH of about 9.0 (ALKALINE). All other
> things the same you will get more stain with the alkaline TF-3
> formula than with Kodak Rapid-Fix.
>
> Sandy
>
>
>
>
> >Sandy,
> >
> >Do you know it Kodak rapid Fix is an acceptible ingredient as spec'ed in
the
> >TF-3 formula?
> >
> >I've been using Rapid Fix with fine results but I would like to increase
> >stain some. I know that the degree of stain depends on many variables but
> >I'm only interested in changing my fixer ph from acidic to alkaline for
the
> >time being.
> >
> >Thanks,
> >
> >Don Bryant
>

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