The mordant used, tannic acid, has the property of combining with the dyes of this group to form insoluble coloured tannates. [Please select]
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=--Following on the tannin bath comes the fixing bath to fix the tannin on the cotton in the form of insoluble metallic tannates. [Please select]
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, it combines to form insoluble tannates; the tannic acid can be fixed on the cotton by immersion in a bath containing such fixing salts as tartar emetic, tin crystals, copperas, antimony fluoride, and antimony oxalate. [Please select]
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