Application of dyestuffs to textiles, paper, leather and other materials (1920)
Matthews, J. Merritt (Joseph Merritt), 1874-1931 · New York, Wiley · leaf 220
t with a weak alkaline bath or soap is also given in order tocomplete the precipitation and fixation of the iron compounds and to neu-tralize any excess of tannic acid. These treatments are repeated severaltimes, depending on the degree of weighting desired; usually each treat-ment adds from 12 to… … Fig. 137.—Card Sliver Bleaching Machine. (Pornitz.) silks are usually weighted more heavily than fancy colored silk, and 36 to40 oz. silk is often produced by the dyer. When the weighting is for silk that is to be left white or is to be dyed infancy colors, naturally the tannin and iron method…
Dyes and dyeing · Textile fabrics
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