Acacia Gum/Gum Arabic 100g

SKU: 16117
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Sale price£10.20 (Inc. VAT)

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Description

The historical photography process of gum bichromate photography uses gum arabic mixed with ammonium or potassium dichromate and pigment to create a coloured photographic emulsion that becomes relatively insoluble in water upon exposure to ultraviolet light.

In the final print, the acacia gum permanently binds the pigments onto the paper.

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