Re: Unknown developer for Pt/Pd

Richard Sullivan (richsul@roadrunner.com)
Thu, 09 Oct 1997 21:05:22 -0600

<x-rich>>Date: Thu, 09 Oct 1997 20:33:45 -0600

>To: Gasparinho <<nop51076@mail.telepac.pt>

>From: Richard Sullivan <<richsul@roadrunner.com>

>Subject: Re: Unknown developer for Pt/Pd

>

>Carlos,

>

>My guess is it is oxalic acid. Never tried ceteris paribus as a developer so I don't know if it could be that stuff.

>

>Dick

>

>

>

>

>At 01:00 AM 10/5/97 +0100, you wrote:

>>I just bought a new batch of what was supposed to be potassium oxalate.

>>I knew something was wrong when I could dissolve the normal 33 parts to 100

>>parts of water.

>>I decided to test it anyway, and to my surprise the number of visible steps

>>from a printed Stouffer scale was reduced by 1/2, ceteris paribus.

>>Any ideas?

>>Carlos Gasparinho

>>e-mail: nop51076@mail.telepac.pt

>>

>>

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