Application of dyestuffs to textiles, paper, leather and other materials (1920)
Matthews, J. Merritt (Joseph Merritt), 1874-1931 · New York, Wiley · leaf 329
n place of hydrochloric, in which case only | lb. of acid (of 168° Tw.)is employed. In preparing the bath the nitrite should first be dissolvedin some water, added to the bath, after which the acid is added.* Forstanding baths only one-third of the above mentioned quantities is used.In order to… … FiG. 167.—Centrifuge for Cloth. (Heine.) tinctly of nitrous acid, though the odor should not be too pungent, wliichwould indicate an excess of nitrite. This is not necessarily injurious,but should be avoided for reasons of economy. The diazotizing is bestconducted in wooden vessels, though when…
Dyes and dyeing · Textile fabrics
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