Application of dyestuffs to textiles, paper, leather and other materials (1920)
Matthews, J. Merritt (Joseph Merritt), 1874-1931 · New York, Wiley · leaf 379
, gradually raise to the boil, and dye at that temperature for one-halfhour; then add 2 per cent of acetic acid and boil for fifteen miimtes longer; wash welland dry. Sodium (or potassium) bichromate, is a salt of chromic acid (CrO.^), while themordant which is eventually produced on the fiber is… … Fig. 186.—Dryer for Mordanted Yarn. acid tartrate, or potassium bitartratc, and is a reducing agent. When mordanting it willbe noticed that the wool is first yellow in color; this is probably due to the formation ofchromium chromate in the fiber. If this compound is exposed to the action of…
Dyes and dyeing · Textile fabrics
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