[pure-silver] Re: Looking For Kodak Dektol Data Sheet
- From: "Richard Knoppow" <dickburk@xxxxxxxxxxxxx>
- To: <pure-silver@xxxxxxxxxxxxx>
- Date: Mon, 23 Nov 2009 19:56:15 -0800
----- Original Message -----
From: "Tim Daneliuk" <tundra@xxxxxxxxxxxxxx>
To: <pure-silver@xxxxxxxxxxxxx>
Sent: Monday, November 23, 2009 7:41 PM
Subject: [pure-silver] Re: Looking For Kodak Dektol Data
Sheet
Richard Knoppow wrote:
----- Original Message ----- From: "Tim Daneliuk"
<tundra@xxxxxxxxxxxxxx>
To: <pure-silver@xxxxxxxxxxxxx>
Sent: Sunday, November 22, 2009 5:34 PM
Subject: [pure-silver] Looking For Kodak Dektol Data
Sheet
The Great Yellow Father has somehow managed to no longer
make the pdf
file
of the Dektol data sheet available to us mere mortals.
I would be
deeply appreciative if anyone having a copy or knowing
where I could get
one could kindly pass it my way.
--
----------------------------------------------------------------------------
Tim Daneliuk tundra@xxxxxxxxxxxxxx
PGP Key: http://www.tundraware.com/PGP/
I've looked through all my old Kodak literature, both
hard copy and
electronic and don't see a data sheet for Dektol. Do you
by any chance
have a Kodak publication number, that would help find it
if I have it. I
don't remember ever seeing one.
What sort of information about it are you looking for?
Sorry, no I don't. 'Just looking to fill out my library,
that's all.
I suspect there has nto been one for some time. I used
to collect Kodak (and also Ilford and Agfa) data sheets and
have pretty large files of them. There is not much to know
about Dektol. It is a commercial version of D-72 but not
identical, for one thing it comes in a single package so
they have done whatever they do to D-76 so that the Metol
does not have to be packaged and dissolved separately. It
probably also has calcium and magnesium sequestering agents
in it.
Kodak used to recommend dilutions of from 1:1 to 1:4
for various papers or for film but seems to have settled on
1:2 for a few decades. Richard Henry, in his book states
that he began using Dektol diluted 1:1 by accident but found
he got better results and longer tray life so its worth a
try.
Kodak's recommended development time varied from one
minute for Velox and Kodabromide to 2 minutes for warm tone
papers. This is an average time, extending it somewhat is OK
but shoreter than 1 minute is likely to result in uneven
development.
Nearly ever manuafacturer of printing paper had some
variation of D-72. Kodak also had a D-73, a more active
formula recommended for cold tones on certain papers.
--
Richard Knoppow
Los Angeles, CA, USA
dickburk@xxxxxxxxxxxxx
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