[pure-silver] Re: Pyro in a Jobo Processor
- From: "Koch, Gerald" <gkoch02@xxxxxxxxxx>
- To: <pure-silver@xxxxxxxxxxxxx>
- Date: Thu, 17 Mar 2005 13:26:04 -0500
EDTA can actually increase the rate of oxidation in some cases. =20
Considering that film is exposed to the developer for only 10 to 15
minutes the action of the EDTA seems quite miraculous.
-----Original Message-----
From: pure-silver-bounce@xxxxxxxxxxxxx
[mailto:pure-silver-bounce@xxxxxxxxxxxxx] On Behalf Of Jim MacKenzie
Sent: Thursday, March 17, 2005 11:52 AM
To: pure-silver@xxxxxxxxxxxxx
Subject: [pure-silver] Re: Pyro in a Jobo Processor
----- Original Message -----=20
From: "John Black" <jblack@xxxxxxxxx>
To: <pure-silver@xxxxxxxxxxxxx>
Sent: Thursday, March 17, 2005 10:39 AM
Subject: [pure-silver] Re: Pyro in a Jobo Processor
> How does it do that? It sequesters other things than just calcium but
> generally restricted to metals.
Beats me, but Gordon Hutchings recommends its use in PMK for precisely
the=20
reasons I cited. I don't know enough chemistry to know the science
behind=20
it.
Jim=20
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