EVIDENCE OF CHEMICAL ACTION IN DYEING 203 If some such reducing action takes place as is indicated when these dyes are developed in silk, what is the corresponding action in the case of cotton ? The curves drawn from the above tables (see Resistance of Amine dyes to the action of soap. (Dreaper.) … 10 20 30 40 50 6omins. Time of boiling out. FASTNESS OF INGRAIN COLOURS. A: C6H5.NH2 (ingrain). B : do. (direct). C: C10H7.NH2/3 (ingrain). D; do. (direct). E: Primuline (direct). p. 202) will also illustrate the relative resistance of the phenolic dyes towards the action of the standard soap…
Dyeing · Dyes · General chemistry · Dying · Chemistry
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