The chemistry and physics of dyeing : being an account of the relations between fibres and dyes, the formulation of lakes, and the general reactions of colloids, and their solution state (1906)
Dreaper, W. P. (William Porter), 1868-1938 · London : J. & A. Churchill · leaf 218
d by the fibres by some secondary chemi-cal action, or else to the molecular aggregates ofthese developers being too large to enter the fibresubstance in the form in which they are presentin the solution. EVIDENCE OF CHEMICAL ACTION IN DYEING 203 If some such reducing action takes place as… … 20 30 40 Time of boiling out. FASTNESS OF INGRAIN COLOURS. 50 60 mins. A :CeH,.NH, (ingrain). B : do. (direct). C: Q„H,.NH,/3 (ingrain).D; do. (direct). E: Primuline (direct). p. 202) will also illustrate the relative resistance ofthe phenolic dyes towards the action of the standardsoap solution.…
Dyes and dyeing
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