From: JOHN A ROSEBOROUGH (JROSEBOROUGH@prodigy.net)
Date: 04/05/00-11:08:56 PM Z
Please tell us how to make Potassium Oxalate. Not being a chemist,I would
think that its not that hard. Or can you give a reference that's simple and
easy to understand.
Pyro for hire.
From: Eric Neilsen <email@example.com>
To: firstname.lastname@example.org <email@example.com>
Date: Wednesday, April 05, 2000 4:29 PM
Subject: Re: Clearing Pt/Pd prints
>"Jeffrey D. Mathias" wrote:
>> Study of the clearing of Pt/Pd prints <SNIP>
>> S; Sodium Sulfide; 20 grams per 1000 ml water (2% solution)
>I believe you meant Sodium Sulfite! not Sulfide.
>As for the rest, good work. I would ask if you checked into the
>of adding Oxalic acid to the developer and to monitor the pH of your
>to see what amount of Oxalic acid should or could be added to a Potassium
>Oxalate developer to help prevent the formation of compounds that might
>to fogging rather than calling for fresh developer? And are you making or
>buying your potassium oxalate? Making it can save one many dollars as it
>cost about 1/8 the purchase price to make it and it is easy to add extra
>oxalic acid to your mix as it is one of the two components.
>Thanks for sharing
>Eric J. Neilsen
>4101 Commerce Street, Suite #9
>Dallas, TX 75226
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