A manual of dyeing with the dyestuffs of the Cassella color company, New York .. (1911)
Cassella Color Co. (New York, N.Y.) · New York, Cassella color co. · leaf 92
then washed, and dried thoroughly, as indicated onpage 64. The raw, unboiled yarn is frequently, however, mor-danted direct, in which case it is important that the yarnbe well and evenly impregnated with the mordantingliquor. Mordanting icith Beta Naphtol or Beta Naphtol RC.This process is carried… … The mordanting bath is prepared as follows for100 lbs cotton yarn: 1000 grms. (2 lbs 3^ oz) Beta Naphtol or Beta Naphtol RC are mixed with 1000 grms. (2 lbs 3y^ oz) caustic soda lye of 750 Tw., then 10 litres {2% gallons) boiling water are added, and the whole is stirred until dissolved. I. 73 —…
Dyes and dyeing
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