Application of dyestuffs to textiles, paper, leather and other materials (1920)
Matthews, J. Merritt (Joseph Merritt), 1874-1931 · New York, Wiley · leaf 276
out 2 gallons of water for mordanting; if a greateramount of water is used, the proportion of tannin absorbed by the fiberwill be lessened and a correspondingly larger amount of tannin will haveto be used. The water employed in the mordanting bath should be as free from ironas possible if the… … Fig. 155.—Dyeing Machine for Yarn in Form of Spools. (Erckens & Erix.) amount of hydrochloric acid should be added which will hold the iron tannate in solution and prevent it from contaminating the fiber. Hard water,that is, a calcareous water, unless of very considerable hardness, is…
Dyes and dyeing · Textile fabrics
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