[pure-silver] Re: Fishy developer
- From: "Koch, Gerald" <gkoch02@xxxxxxxxxx>
- To: "'pure-silver@xxxxxxxxxxxxx'" <pure-silver@xxxxxxxxxxxxx>
- Date: Thu, 16 Dec 2004 15:44:49 -0500
I looked at the MSDS and the only ingredient listed that might have a slight
fishy odor is the pentetic acid, pentasodium salt (diethylenetriaminepentaacetic
acid, pentasodium salt). Amines are said to have either an ammoniacal or fishy
odor. This chemical is used to chelate calcium and other metals in tap water.
Jerry
-----Original Message-----
From: pure-silver-bounce@xxxxxxxxxxxxx [mailto:pure-silver-bounce@xxxxxxxxxxxxx]
On Behalf Of Ben R. McRee
Sent: Thursday, December 16, 2004 3:15 PM
To: pure-silver@xxxxxxxxxxxxx
Subject: [pure-silver] Fishy developer
Since my local dealer ran out of Ilford liquid paper developer (I had
been using PQ Universal), I bought a bottle of Kodak's Polymax liquid
paper developer. I have been using it for some time now with good
results. But from the first batch that I diluted, I have noticed a
distinct, mildly unpleasant odor, somewhat reminiscent of old fish.
I never experienced that with the Ilford developer. Can anyone
explain where that come from?
(Richard's comment about the old dektol smelling like fish reminded
me that I have been meaning to ask this question. No telling how old
the bottle of Polymax I bought is. But the liquid is clear, and I do
mix it fresh for each printing session.)
--Ben
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