Beaumont, Roberts, 1862-1924 · London, New York [etc.] Sir I. Pitman & sons, ltd. · leaf 72
ncentrated^and its action on the vegetable substance is seen inturning it black, or a dark brownish hue, and in reducingit to a charred or carbon substance. The latent effectsof the acid on the reclaimed wool fibre are thenneutralized by rinsing the rags in an alkaline bath.The rinsing requires to… … EXTRACT WOOL 55 as subsequent rinsings have a tendency to weaken thewool staple. The hydrochloric acid gas process has one importantfactor in its favour besides that of convenience andsimplicity—it enables the temperature in carbonizingto be lowered, which preserves the softness and lustreof the…
Woolen and worsted manufacture
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