Dyeing: comprising the dyeing and bleaching of wool, silk, cotton, flax, hemp, china grass &c. (1888)
Sansone, Antonio · Manchester, Heywood · leaf 86
e and effectivefixation with antimony mordants. The fixation of tannin with iron salts for aniline coloursis seldom resorted to unless dark shades are required ofcolours to which the slate coloured bottom of the tannateof iron is no detriment, such as, for instance, in thedyeing of imitation indigo… … o <o QZ < 0 z X< practical processes. 59 Methods for Mordanting Cotton for Acid CoalTar Colours:— 1st.—On tannic acid mordant fixed with tin crystals. 2nd.—Stannate of soda and sulphuric acid. Stannicacid can also be produced on fibre by passing in perman-ganate of potash, and afterwards…
Dyes and dyeing
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