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Date: 2010-11-22 15:46:37Sulfates Oak galls Iron gall ink Gallic acid Gall Iron(II) sulfate Atramentum Tannic acid India ink Chemistry Inks Gallotannins | Add to Reading ListSource URL: www.scienceinschool.orgDownload Document from Source WebsiteFile Size: 565,63 KBShare Document on Facebook |