Kodak D-9 in lith printing

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pslaviero@interfree.it - 19 Nov 2006 16:33 GMT

After having purchased Tim Rudman's lith printing book now the matter
is to find lith developers. I wuold like to try with Kodak D-9, because
it is made with easy to find components. I'm looking for someboby
helping me in the use of this bath, I have Ilford RC MG paper. What
diluition could be a good start point? On unblinkingeye.com site they
suggest for paper from 4 to 10 times more than for film, but I have no
idea on film's diluition.
Thansk all
P.

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dan.c.quinn@att.net - 19 Nov 2006 23:50 GMT

> ... the matter is to find lith developers
> ... with easy to find components. Thansk all. P

How about Ansco 81? The formula is at the site you mentioned.
With out knowing I compounded a lith developer of similar formula
but without the citric acid or bromide. Depending upon the paper
bromide may or may not be necessary. Likely the citric acid is
for improved longevity. I use my concoction one-shot so
longevity was of less an issue.
If interested I'll check my notes and again that Ansco 81
formula then suggest some dilutions. Dan

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Richard Knoppow - 29 Nov 2006 05:59 GMT

> After having purchased Tim Rudman's lith printing book now
> the matter
[quoted text clipped - 11 lines]
> Thansk all
> P.

You might want to join the Alternative Processes list and
ask there. Tim Rudman is a member and will answer questions.
My understanding is that the developer must be of the
type which produces "infectious development", those are
usually the ones with formaldehyde or paraformaldehyde
(formaldehyde in powder form). I don't think developers
without it will produce the effect you want. Someone on the
Alt Processes list will know, there are several
practitioners there.
Also, check Tim's book to see if he has an e-mail address
there. If so don't be afraid of writing him and asking.

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Richard Knoppow
Los Angeles, CA, USA
dickburk@ix.netcom.com

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dan.c.quinn@att.net - 30 Nov 2006 22:35 GMT

> My understanding is that the developer must be of the
> type which produces "infectious development", those are
> usually the ones with formaldehyde or paraformaldehyde
> (formaldehyde in powder form). I don't think developers
> without it will produce the effect you want.

For our purposes infectious development is obtained with
hydroquinone in an at least moderately alkaline environment
containing little sulfite. Hydroquinone, sodium carbonate, and
a little sulfite are the only chemicals needed.
The formulas mentioned this thread and Wall's Normal
Hydroquinone are a few examples. There are others including
my own by chance lith developer.
The ph of the developer must be high enough to activate
the hydroquione. I've done that with a 50 - 50 blend of sodium
carbonate and the bicarbonate. So, by no means is their a need
for highly caustic chemistry. Dan

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darkroommike - 30 Nov 2006 02:56 GMT

D-9 is high contrast but I don't think it's a "lith" developer, you can
but try it and see.
darkroommike

> After having purchased Tim Rudman's lith printing book now the matter
> is to find lith developers. I wuold like to try with Kodak D-9, because
[quoted text clipped - 5 lines]
> Thansk all
> P.

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