[pure-silver] Re: PIQUED MY CURIOSITY; was Phenidone in alcohol
- From: "Richard Knoppow" <dickburk@xxxxxxxxxxxxx>
- To: <pure-silver@xxxxxxxxxxxxx>
- Date: Fri, 8 May 2009 12:09:46 -0700
----- Original Message -----
From: "Howard Efner" <hfefner@xxxxxxxxxxxxx>
To: <pure-silver@xxxxxxxxxxxxx>
Sent: Friday, May 08, 2009 8:26 AM
Subject: [pure-silver] Re: PIQUED MY CURIOSITY; was
Phenidone in alcohol
On May 8, 2009, at 6:27 AM, BOB KISS wrote:
DEAR BILL,
YOWZA! That is a great list! Thanks! I will try it
soon.
CHEERS!
BOB
Question for Richard. Do you have a formula for DK-60a
replenisher some where in your treasure trove of
information?
Howard
Kodak had two replenishers for DK-60a. The published
formula is for general use but they had a second version for
use with continuous machine processing which was available
only in packaged form. Here is the first, there is no
published formula for the second but it was probably
somewhat more concentrated since it assumed less carryover
of developer.
Kodak DK-60aTR For Deep Tank (Hand Processing).
Water, at about 125F or 52C 750.0 ml
Metol 5.0 grams
Sodium sulfite, dessicated 50.0 grams
Hydroquinone 10.0 grams
Kodalk 40.0 grams
Cold water to make 1.0 liter
Dissolve chemicals in order given.
The general instuctions of the time were to add 1.0 oz
of replenisher for each 80 square inches of film. Specific
instructions for DK-60aTR are to add 8 gallons of
replenisher per 1000 rools of film processed, obviously
aimed at machine processing. These replenishing rates assume
the total volume is kept constant.
--
Richard Knoppow
Los Angeles, CA, USA
dickburk@xxxxxxxxxxxxx
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