Re: problem mixing argyrotype

From: jmorris ^lt;jmorris@morriseditions.com>
Date: 03/19/06-10:24:51 PM Z
Message-id: <1d2af720eb4f8878c7eb52a772f75cc8@morriseditions.com>

This may be obvious, but was the Sulphamic Acid solution heated as you
tried to dissolve the Silver Oxide? I have mixed this sensitizer many
times keeping the Sulphamic Acid at about 125 degrees F and stirring
constantly, I have never had any problem dissolving the Silver Oxide.

Jim Morris

On Mar 18, 2006, at 6:20 PM, ryberg wrote:

> It seemed to dissolve, giving me a brown liquid, however, when it
> sat a few minutes I realized it had not dissolved but merely formed a
> suspension which settled out. It is hard to tell, but I would guess
> that at least a third of the brown solid (presumably silver oxide)
> dissolved, perhaps as much as two-thirds. The rest has not dissolved
> after 6 hours.
Received on Mon Mar 20 01:19:47 2006

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