Figure 1. See caption on page 125 • ,' O-"•"- \O ' ß }oo -. .. , Figure 2. Increase in Foam Volume induced by'•lcohols 123
JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS TABLE I. STABILISATION OF FOAM BY NONYL ALCOHOL Volume in c.c. of C9OIt added to 12 c.c. (SDS) C•, 0- 0 0,001 0. 002 0.003 0. 004 0.005 0.006 Laminae stability before breakage 9sec. 9sec. 2min. 8min. 15min. 10min. 8min. Figure 3. Effect of nonyl alcohol on the surface tension of Na dodecyl sulphate (M/300) 124
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