[pure-silver] Re: What happens when XTOL dies
- From: "Koch, Gerald" <gkoch02@xxxxxxxxxx>
- To: <pure-silver@xxxxxxxxxxxxx>
- Date: Wed, 1 Mar 2006 15:36:17 -0500
For my previous post, if it's of any interest, the pH of the developer
listed in Patent 5,210,010 assigned to Ilford is 8.5 +/- 0.05 when
diluted 1+4.
The pH for the Microphen substitute is 8.8 +/- 0.13.
Jerry
-----Original Message-----
From: pure-silver-bounce@xxxxxxxxxxxxx
[mailto:pure-silver-bounce@xxxxxxxxxxxxx] On Behalf Of Richard Knoppow
Sent: Wednesday, March 01, 2006 3:24 PM
To: pure-silver@xxxxxxxxxxxxx
Subject: [pure-silver] Re: What happens when XTOL dies
----- Original Message -----
From: "Richard Knoppow" <dickburk@xxxxxxxxxxxxx>
To: <pure-silver@xxxxxxxxxxxxx>
Sent: Tuesday, February 28, 2006 12:22 PM
Subject: [pure-silver] Re: What happens when XTOL dies
>
> ----- Original Message -----
> From: "Justin F. Knotzke" <jknotzke@xxxxxxxxxx>
> To: <pure-silver@xxxxxxxxxxxxx>
> Sent: Tuesday, February 28, 2006 6:03 AM
> Subject: [pure-silver] Re: What happens when XTOL dies
>
>
>> Richard Knoppow wrote:
>>
>>> The Ilford published formula ID-68 is essentially the
>>> same as Microphen.
>>
>> Richard, not questioning your authority on this, but
>> just out of
>> curiosity, how does one know that ID-68 (out of the
>> Darkroom Cookbook I
>> assume?) is really DD-X or Microphen?
>>
>> J
>>
>
> I got a note in personal e-mail from Ryuji Suzuki
> stating that they are not the same and taking me to task
> for saying they were.
In a subsequent message Ryuji says that Microphen has
lower pH than *S-68 and in practice gives somewhat finer
grain. DDX is not the same stuff. It would be interesting to
compare results with Microphen and DDX to see what
differences there are in the resulting negatives.
---
Richard Knoppow
Los Angeles, CA, USA
dickburk@xxxxxxxxxxxxx
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