Hi Jordan
If your cyanotype looked great before development and it washed away in the
processing it's likely that you may have underexposed it. Prior to
development the image should look over cooked with even some reversal in the
highlights.
John.
www.johnbrewerphotography.com
Life shrinks or expands in proportion to one's courage. Anaïs Nin.
----- Original Message -----
From: "Jordan Wosnick" <jwosnick@fastmail.fm>
To: <alt-photo-process-l@usask.ca>
Sent: Monday, July 17, 2006 5:06 PM
Subject: Troubleshooting cyanotypes
>
> Hi everyone,
>
> This weekend I made my first cyanotypes. I used the formula attributed to
> Patricia Dreher (http://www.bostick-sullivan.com/c_cyano.htm --
> scroll down to "other variations") The first few that I made came out
> beautifully -- one photogram and one from an inkjet negative on Pictorico
> OHP.
>
> After that, though, I starting having problems. The exposed cyanotype,
> before development, looked great -- nice contrast, etc. But on clearing,
> almost all of the image density bled away into the wash water, leaving
> practically nothing.
>
> Does anyone know the possible causes of this or potential remedies? The
> only thing I noticed was that the exposures made in direct sun fared
> better (even though I compensated with much longer exposure times when I
> printed in indirect sun or under a compact spiral blacklight).
>
> The paper used was Fabriano Artistico (mixed results) and Arches Platine
> (uniformly bad). I coated with about 2 ml of freshly-mixed sensitizer per
> 8x10" sheet and allowed the coated paper to air-dry in the dark for 30-60
> mins before printing.
>
> Thanks for your advice
>
> Jordan
>
> --
>
>
> Jordan Wosnick
> jwosnick@fastmail.fm
>
>
>
>
> --
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>
Received on 07/17/06-10:18:00 AM Z
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