From: Richard Knoppow (dickburk@ix.netcom.com)
Date: 04/09/03-05:22:25 PM Z
----- Original Message -----
From: "Christina Z. Anderson" <zphoto@montana.net>
To: "Alt list" <alt-photo-process-l@sask.usask.ca>
Sent: Friday, May 09, 2003 2:49 PM
Subject: silver nitrate shelf life
> How long would you say a solution of silver nitrate in a
dark bottle lasts?
> With or without added citric acid? James says in his book
that you have to
> mix just before use and I have not read that elsewhere.
> Chris
>
I've had some test solution around for several years. Its
kept in the dark and hasn't discolored. Others may have
better information but I think the color of the solution and
lack of precipitate is a good clue.
--- Richard Knoppow Los Angeles, CA, USA dickburk@ix.netcom.com
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