Critical Micelle Concentration of Surfactant Using Hadkar Factor
Ulhas Balkrishna Hadkar1★, Asavari Sameer Hadkar1★ Corresponding author
- 1Department of Pharmaceutics Mumbai Educational Trust’s Institute of Pharmacy, Bandra (w), Mumbai – 400 50. (M.S.), INDIA.
CORRESPONDENCE
Ulhas Balkrishna Hadkar
Department of Pharmaceutics Mumbai Educational Trust’s Institute of Pharmacy, Bandra (w), Mumbai – 400 50. (M.S.), INDIA.
Received: 22-08-2014; Revised: 14-10-2014; Accepted: 23-12-2014.
Volume 49, Issue 2 · pp. 134–139 · PUBLISHED 2015 · DOI: 10.5530/ijper.49.2.9
ABSTRACT
Critical micelle concentration is an important characteristic property of a surfactant and various methods such as osmotic pressure, surface tension, interfacial tension, UV-Visible spectrophotometry have been reported to determine it. The drop weight method was used to determine the Hadkar factor H1 for organic liquid lighter than water and Hadkar factor H2 was used for organic liquid heavier than water. The plot of H1 or H2 vs concentration of the aqueous surfactant solution was used to determine the critical micelle concentration of the surfactant. Interfacial tension between the aqueous surfactant solution and the organic liquid was also determined using Hadkar factors H1 and H2
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Hadkar, U. B., & Hadkar, A. S. (2015). Critical Micelle Concentration of Surfactant Using Hadkar Factor. Indian Journal of Pharmaceutical Education and Research, 49(2), 134–139. https://doi.org/10.5530/ijper.49.2.9