[pure-silver] Re: baking soda as wash aid

From: "Koch, Gerald" <gkoch02@xxxxxxxxxx>
Subject: [pure-silver] Re: baking soda as wash aid
Date: Thu, 17 Feb 2005 14:51:57 -0500

> I would recommend this only if a fresh solution was used each time.
> Sodium bicarbonate solutions become more alkaline with age slowly
> appoaching the pH of sodium carbonate.  This can cause the emulsion
> soften.

You have a very strange belief.
What happens is actually the opposite, the pH of carbonate falls.

--
Ryuji Suzuki
"Keep a good head and always carry a light camera."
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