[alt-photo] Re: preserving gum arabic solution

[Loris Medici]

The traditional preservative is mercuric chloride, I saw it listed in both
W&N and Schmincke gum solutions - can't speak for DS or PF...

Regards,
Loris.


-----Original Message-----
From: alt-photo-process-list-bounces at lists.altphotolist.org On Behalf Of
Paul Viapiano
Sent: Thursday, June 17, 2010 11:40 PM
To: The alternative photographic processes mailing list
Subject: [alt-photo] Re: preserving gum arabic solution

So...what does Daniel Smith or the Formulary use in their gum for
preservation? Hmmm...

...