Application of dyestuffs to textiles, paper, leather and other materials (1920)
Matthews, J. Merritt (Joseph Merritt), 1874-1931 · New York, Wiley · leaf 217
being added to give the bath a slightly acid taste, or so that theliquor no longer gives a froth. In this case the bath is spoken of as broken, and is practically neutral in reaction, as it should affect neitherblue or red litmus paper.* When dyeing Alkali Blue on silk an alkaline bath is employed,… … Fig. 130.—Dyeing Machine for Sluhbing. (Obcrmaie..) Tiissah silk is usually dyed without the addition of boiled-ofT liquor, alittle acetic or sulphuric acid being added The boiled-off liquor fromTussah silk is not suitable for use in dyeing, as it contains too muchimpurity. In order to obtain…
Dyes and dyeing · Textile fabrics
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