Re: Move to synthetic materials (from versatile surfactant_

I infer that the fogging would come from the OH groups. I was under the
impression that a strong alkali was required.

Oh well. Another theory slain by an ugly little fact.

Thank you for your analysis.

Martin
----- Original Message -----
From: "Ryuji Suzuki" <rs@silvergrain.org>
To: <alt-photo-process-l@sask.usask.ca>
Sent: Monday, January 17, 2005 11:53 AM
Subject: Re: Move to synthetic materials (from versatile surfactant_

> From: Martin Angerman <paleophoto@adelphia.net>
> Subject: Re: Move to synthetic materials (from versatile surfactant_
> Date: Mon, 17 Jan 2005 07:16:42 -0800
>
> > Agar is a carbohydrate--kind of like a specialized starch.
>
> Ah, it probably fogs the emulsion badly.
>
> > As it has a much
> > higher melting point, the gelatin would fall off, long before the agar.
>
> My size is well hardened so it won't come off though.
> --
> Ryuji Suzuki
> "People seldom do what they believe in. They do what is convenient,
> then repent." (Bob Dylan, Brownsville Girl, 1986)
Received on Mon Jan 17 20:55:25 2005