Application of dyestuffs to textiles, paper, leather and other materials (1920)
Matthews, J. Merritt (Joseph Merritt), 1874-1931 · New York, Wiley · leaf 307
4. After-treatment with Chrome.—This treatment is for the purpose ofincreasing the fastness of certain substantive dyes to washing and acids; it also deepensthe color, a^ a rule, to quite a degree, and in some cases causes a considerable change inthe tone of the color. Dye two skeins of cotton yarn… … Fig. 162.—Two-Compartment Dyeing Machine. (Textile-Finishing Machinery Co.) set one of the skeins aside for comparicon. Take the second skein and pass into a bathcontaining 2 per cent of chrome; boil for fifteen minutes, then wash well and dry.Compare the colors obtained on each of the skeins and…
Dyes and dyeing · Textile fabrics
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