[pure-silver] Re: Fishy developer
- From: Ryuji Suzuki <rs@xxxxxxxxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Thu, 16 Dec 2004 16:22:19 -0500 (EST)
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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