Cyclopedia of textile work : a general reference library on cotton, woolen and worsted yarn manufacture, weaving, designing, chemistry and dyeing, finishing, knitting, and allied subjects (1911)
American School (Lansing, Ill.) · Chicago : American school of correspondence · leaf 202
he two seems to be most likely to increase thefastness to washing. This after treatment has the disadvantage of dulling the orig-inal shade, but with some experience the dyer can usually satis-factorily allow for this change. 173 161 TEXTILE CHEMISTRY AND DYEING When copper sulphate and potassium… … Fig. 62. Tolhursts Hydro-Extractor. The after treatment is carried on in a boiling bath for about^-hour. The bichromate of potash is often omitted when fastness towashing is of less importance than fastness of light. Other copper and chromium salts, and salts of iron, aluminium,and nickel, are…
Textile fabrics · Textile industry
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