Re: Gelatin Dry Plates

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From: John Cremati (johnjohnc@core.com)
Date: 06/06/02-04:20:39 PM Z


Is this" liquid organic chlorophyll " that you buy at the health food store
that is dark green in color...?
----- Original Message -----
From: "Monnoyer Philippe" <monnoyer@imec.be>
To: <alt-photo-process-l@skyway.usask.ca>
Sent: Thursday, June 06, 2002 5:33 AM
Subject: RE: Gelatin Dry Plates

> It is true that anciently used dyes are not expensive. Erythrosin,
> pynacyanol etc etc
> Again, choosing one recommended by H.W.SANDS will save you a lot of
> time.
> I personnaly wouldn't like to spend time playing with chlorophyll, this
> might end up in doubling the time budget, and maybe discouraging people.
> The idea is nice tough.
> About chlorophyll, I have the intuition that it gives sensitivity in the
> visible region, but a poor sensitivity. Isn't it ?
>
> Making silver halide emulsion is requiring a lot of motivation and
> perseverance, an awful lot. One better idea could be to have your plates
> made by Ilford. The cost balance might be interesting.
> On the other hand, making your own stuff is magic. Getting a first
> result with plates is frankly easy.
>
>
>
> Those who want to start to test it and are facing problems may ask me
> for guidance sometimes.
>
> PS: and maybe collodion is simpler.
>
> Philippe
> Belgium
>
>


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