Application of dyestuffs to textiles, paper, leather and other materials (1920)
Matthews, J. Merritt (Joseph Merritt), 1874-1931 · New York, Wiley · leaf 257
yed, the following methods are sug-gested : (a) Acid Colors.—Boil with a rather strong solution of glaubersalt, orboil in a solution of ammonia water. The more resistant colors may bestripped down with hydrosulphite. (b) Mordant Colors.—These are usually rather difficult to remove andalso uneven… … FiG. 149.—Warp Dyeing Machine. (Fries.) chloric or oxalic acid wherebj^ the dyestuff color-lake is more or iCSs decom-posed. By succeeding the acid treatment with a warm ammonia bath thedye that is split away from the mordant may be removed. (c) Substantive Dyes on Cotton.—These may be partially…
Dyes and dyeing · Textile fabrics
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