[pure-silver] Re: Fishy developer

From: "Koch, Gerald" <gkoch02@xxxxxxxxxx>
Subject: [pure-silver] Re: Fishy developer
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.

DTPA is odorless. Not all amines are smelly. Triethanolamine has no
odor either. (But triethylamine does smell like fish.)
--
Ryuji Suzuki
"Keep a good head and always carry a light camera."
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