From: Sarah Van Keuren (svk@steuber.com)
Date: 06/26/00-02:13:36 PM Z
> I'll be doing a project in July working with some kids at an art camp. One
> of the ideas we are kicking around is to have them make cyanotype photograms
> on T-shirts. Is there any toxicity of the finished and thoroughly
> processed/washed cyanotype image on fabric in contact with skin that we
> should be concerned about?
>
> Perhaps Sil or one of the other chemist gurus on the list could comment or
> send a pointer to more information on the final Prussian Blue image.
>
> Thanks in advance for any info.
>
> Joe (smieglitz@aol.com)
>
I'm not the chemist you wanted to hear from but I can tell you that the
cyanotyped T-shirts should not be washed in a strong detergent (I used Arm &
Hammer) because the blue image will turn yellow. Woolite preserved the
blue.
Sarah Van Keuren
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