Photographers' Formulary 10-0642 Gum Arabic, Photo-grade Review
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Photographers' Formulary 10-0642 Gum Arabic, Photo-grade Reviewhttp://tinyurl.com/qy5e3v6 Photographers' Formulary 10-0642 Gum Arabic, Photo-grade Used in the gum bichromate processAlso known as 'gum acacia'Binds dissolved pigments to paper