Viscosity studies on CTAB-p-nitrophenyl acetate systems. | [Pakistan Journal of Scientific and Industrial Research • 1979]

Author(s):

1. A. E. Beg: Faculty of Pharmacy, University of Karachi, Karachi, Pakistan

2. B. J Meakin: School of Pharmacy And Pharmaceutical, University of Bath, England

3. D. J. G Davies: School of Pharmacy And Pharmaceutical, University of Bath, England

Abstract:

The viscosities of cetyltrimethyl ammonium bromide (CTAB) solutions with and without p-nitrophenyl acetate (PNPA) have been measured with suspen-ded level viscometers at 30° in distilled water, in carbonate-bicarbonate buffer at pH 9.2 and in various solutions of KBr. The reduced specific viscosity of the micelles of each system was calculated and plotted against micellar concentration. Changes in the physical nature of the micelles, i.e. size and particularly shape in the region of 10` M CTAB have been proposed and discussed.

Page(s): 277-282

DOI: DOI not available

Published: Journal: Pakistan Journal of Scientific and Industrial Research, Volume: 22, Issue: 6, Year: 1979

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