Application of dyestuffs to textiles, paper, leather and other materials (1920)
Matthews, J. Merritt (Joseph Merritt), 1874-1931 · New York, Wiley · leaf 546
tripped color may againfeed onto the wool. Also after stripping the goods must be washed inwater containing a little alkali, preferably ammonia, in order to neutralizeall of the acid, as otherwise the affinity of the cotton for the substantivedyes will be lessened and also there will be danger of… … Fig. 262.—Cotton under the Microscope. (X140.) This IS done by adding the acid dye and the chrome together to the acidbath, so that the stripping and the dyeing of the wool is thus carried onsimultaneously. Of course, in such a process it is necessary to use onlysuch dyes on the cotton as will…
Dyes and dyeing · Textile fabrics
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