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D-11: Formula & D19
-------- Original Message --------
Subject: D-11: Formula
Date: Thu, 23 Aug 2001 13:03:54 -0400
From: bruce.hapeman@kodak.com
To: Eric@ericneilsenphotography.com
From: Bruce Hapeman
Title: Developer D-11: Formula
Ingredients ............. Solution Amounts
Water @ 125°F/50°C ....................... ............750 millilitres
KODAK ELON Developing Agent............... 1 gram
KODAK Sodium Sulfite (Anhydrous).......... 75 grams
KODAK Hydroquinone................................ 9 grams
KODAK Sodium Carbonate (1-Hydrate)......30 grams
KODAK Potassium Bromide (Anhydrous).....5 grams
Cold water to make ....................... ...................1 litre
Mixing Order
. Chemicals in these formulas are listed in order in which they
should be added to the solution.
. Constituents must be dissolved in proper order to avoid undesirable
reactions. Some ingredients won't dissolve if added in wrong order.
Stirring Procedure . Always stir solution thoroughly before using.
. However, excessive stirring can promote oxidation by increasing
amount of air going into solution. Cleaning
. Immediately after mixing formula, clean all equipment thoroughly.
Title: Developer D-19: Formula
Ingredients Solution Amounts
Water @ 125°F/50°C ...............................750millilitres
KODAK ELON Developing Agent ............. 2grams
KODAK Sodium Sulfite (Anhydrous)........... 90grams
KODAK Hydroquinone ................................8grams
KODAK Sodium Carbonate (1-Hydrate) ...52.5grams
KODAK Potassium Bromide (Anhydrous) .....5grams
Water to make 1 litre
Mixing Order
. Chemicals in these formulas are listed in order in which they
should be added to the solution.
. Constituents must be dissolved in proper order to avoid undesirable
reactions. Some ingredients won't dissolve if added in wrong order.
Stirring Procedure . Always stir solution thoroughly before using.
. However, excessive stirring can promote oxidation by increasing
amount of air going into solution. Cleaning
. Immediately after mixing formula, clean all equipment thoroughly.
--
Eric Neilsen
10219 Lynford Drive
Dallas, TX 75238
214-349-8606