Re: Gum arabic with Cyanotype emulsion

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From: Lukas Werth (lukas.werth@rz.hu-berlin.de)
Date: 01/24/01-05:25:52 AM Z

At 19:36 23.01.01 -0500, you wrote:
>All,
>
>I noticed a note a alt proces source that mentioned using a drop or two of
>gum arabic in the emulsion mix for cyanotype printing. Does this help
>coating the paper? What is the benefit as far as the look of the print? Does
>anyone use this technique?
>
>The source also suggested that gum should/could be added in other alt
>processes such as palladium prints or VDBs, etc. Is this usefull in these
>processes also?
>
>Thanks,
>
>Don Bryant
>
>

With Chrysotypes, some gum in the senistizer goes a long way to stop
bleeding. The sensitizer becomes somewhat opaque, but I could not find this
has any negative effect.

Lukas

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