Liam Lawless (lawless@vignette.freeserve.co.uk)
Sun, 14 Feb 1999 03:22:41 +0000
Hi Bob,
Many thanks - I'll get back to you in a few days about what happens.
In the meantime, what about economising on gold by applying with a glass
rod - thickening with glycerine if necessary - or is that the stoopidest
idea you ever heard?
Liam
-----Original Message-----
From: SCHRAMMR@WLSVAX.WVNET.EDU <SCHRAMMR@WLSVAX.WVNET.EDU>
To: alt-photo-process-l@sask.usask.ca <alt-photo-process-l@sask.usask.ca>
Date: 14 February 1999 00:35
Subject: Re: Chrysotypes
>Liam,
>
>Sensitizer: 25 % solution of Ferric Ammonium Citrate
>Coat the paper under dim incandescent light in the usual way. When dry,
>print with a contact negative under ultraviolet light until a faint image
>appears.
>
>Develop in a 1/2 % solution of gold chloride. The solution is supposed
>to be neutral( pH about 7).
>
>Wash
>
>Note: the developing is the trick part. The ferric ammonium citrate reacts
>with the gold chloride to participate gold which forms the image and, of
>course, distroys the gold chloride. No one can afford too much of this.
>I tried brushing the gold chloride on but this produced a lot of streaking.
>Finally I went out and bought some small disposable paint rollers about
>3 - 3 1/2 inchs wide. I saturated these in gold chloride and QUICKLY rolled
>them over the print to "develop" it. I got a few nice 4 x 5 prints and a
couple
>good 8 x 10s this way before I ran out of gold chloride and rollers (you
>can only use the roller once).
>
>I did this about two years ago before Dr. Ware came out with his new
process.
>I always meant to go back to this and try some other things. One thought I
>had was to spray the gold chloride on the print, but gold chloride is toxic
>so you should wear a respirator if you try this. Also, wear gloves in any
>case because you can absorb gold through the skin.
>
>Let me know your results if you try this.
>
>Good luck and happy printing,
>
>Bob Schramm
>
>
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