Re: Problems clearing with cyanotype.

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From: Kees Brandenburg (info@co-web.org)
Date: 11/06/02-05:06:19 AM Z


Hi Richard,
Maybe the staining is caused by the ferriammoniumcitrate? Do you use
the green citrate? The brown citrate, apart from being less light
sensitive, does stain the paper.

Some years ago I tested this with cyanotype because a chemical
supplier sold me the wrong citrate and wouldn't take it back. They
even refused to accept the existence of different versions.

Kees

-- 
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Kees Brandenburg
http://polychrome.nl
Workshops alt. photo | Middelburg | Netherlands

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