[pure-silver] Re: What happens when XTOL dies

  • From: "Richard Knoppow" <dickburk@xxxxxxxxxxxxx>
  • To: <pure-silver@xxxxxxxxxxxxx>
  • Date: Wed, 1 Mar 2006 14:21:07 -0800


----- Original Message ----- From: "Koch, Gerald" <gkoch02@xxxxxxxxxx>
To: <pure-silver@xxxxxxxxxxxxx>
Sent: Wednesday, March 01, 2006 12:36 PM
Subject: [pure-silver] Re: What happens when XTOL dies


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

Is the substitute the formula with 100 grams of sulfite? If so do you know the pH of ID-68 or of Microphen? Kodak has the pH of several of its developers listed, I have the publication but forget which it is. I will look for it.

---
Richard Knoppow
Los Angeles, CA, USA
dickburk@xxxxxxxxxxxxx 

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