Application of dyestuffs to textiles, paper, leather and other materials (1920)
Matthews, J. Merritt (Joseph Merritt), 1874-1931 · New York, Wiley · leaf 407
pecially so with the brown dj-es. It is for the purposeof neutralizing the excess of sodium sulphide in the fiber. The treat-ment usually alters the shade somewhat, but if it is omitted the colorof the djed cotton will generally slowly change considerably after severalweeks standing. The sulphur… … Fig. 198.—Dyeing Beams with Sulphur Dyes. (Pomitz.) Solutions of soap and soda ash have but little effect on the sulphur dyes.If a greater degree of stripping is desired, solutions of bleaching powdermay be used. 5. Topping of Sulphur Colors.—The sulphur colors may be topped witha variety of dyes.…
Dyes and dyeing · Textile fabrics
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