Application of dyestuffs to textiles, paper, leather and other materials (1920)
Matthews, J. Merritt (Joseph Merritt), 1874-1931 · New York, Wiley · leaf 548
not be readily separated from each other by simple mechan-ical means, the procedure is to take a weighed sample and boil it for aboutten minutes in a weak solution of caustic soda. The wool will be dis-solved out of the yarn or cloth used, leaving the skeleton of cotton. Thisis washed to free it… … Fig. 264.—Shrinking Machine for Cloth. (Philadelphia Textile Machinery Co.) gives the amount of wool. This test will also serve as a mere qualitativetest for the two fibers, the suspected sample of cloth being boiled in thesolution of caustic soda. If it cUssolves completely only wool is…
Dyes and dyeing · Textile fabrics
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