Re: "speckling" v "staining "

From: Ryuji Suzuki ^lt;rs@silvergrain.org>
Date: 09/04/05-01:50:54 PM Z
Message-id: <20050904.155054.99523735.lifebook-4234377@silvergrain.org>

From: Clay <wcharmon@wt.net>
Subject: Re: "speckling" v "staining " (was New Orleans/glut)
Date: Sun, 04 Sep 2005 11:09:38 -0500

> After my post, I tracked down the MSDS sheet. It says it has 2-5%
> Glut, 1-2% acetic acid and 5-10% sodium disulphite.

The last one is strange. They might've added it to prolong shelf life
of the glut but I bet it may upset the chemistry of dichromate
process. (Even if it's for silver gelatin process, I wouldn't add
sulfite of any kind to the sizing solution.)

Ryuji
Received on Sun Sep 4 16:13:11 2005

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