Problems clearing with cyanotype.

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rurmonas@senet.com.au
Date: 11/06/02-02:44:43 AM Z


I have not been able to clear (i.e. wash out the yellowish stain)
my cyanotypes on a range of papers. As a test I took a sample of
several papers and used the following procedure:

- Coat paper using a foam brush. This is done under yellow light.
- Dry paper in the dark using a small fan to speed drying
- Wash the paper (mostly in the dark, brief preiods of yellow light)
  for 30min in tap water with minimal aggitation.

Note: The paper receives no exposure. I leave a strip uncoated to judge
the clearing effectiveness. All inspection is done after the paper has
dried.

I found a substantial yellow stain remaining on 2 of 6 papers, light
staining
on another 2, and only 2 papers which fully cleared. I am testing good
quality
papers, and papers that I have seen listed as good for cyanotype in the
archives of this list, and on various websites.

My questions are; what an I doing which is resulting in the poor clearing ?
Should I be using some special bath to assist clearing ?

Thank you,

Richard

---
Richard Urmonas
rurmonas@senet.com.au
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