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

  • From: Ryuji Suzuki <rs@xxxxxxxxxxxxxxx>
  • To: pure-silver@xxxxxxxxxxxxx
  • Date: Thu, 17 Feb 2005 15:00:29 -0500 (EST)

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."
To unsubscribe from this list, go to www.freelists.org and logon to your 
account (the same e-mail address and password you set-up when you subscribed,) 
and unsubscribe from there.

Other related posts: