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author:

Zheng, O. (Zheng, O..) [1] | Zhao, J.-X. (Zhao, J.-X..) [2] | Fu, X.-M. (Fu, X.-M..) [3]

Indexed by:

Scopus PKU CSCD

Abstract:

The critical reverse micelle concentrations of quaternary ammonium Gemini surfactants C12-s-C12·2Br (s= 2, 3, 4, 5, 6, 8, 12) in n-heptane (cmcw) have been determined by water solubilization method. These values are smaller than the critical micelle concentration (cmcaq) of them in aqueous solution, where C12-s-C 12·2Br forms normal micelles. The cmcw as a function of s goes through a maximum at s=4, which is similar to the variation regularity of cmcaq with s. The saturation amounts of water solubilized in the reverse micelles measured by both water solubilization method and conductivity method show a maximum at about s=5. This is attributed to the change of folded conformation of the spacer chain. ©Editorial office of Acta Physico-Chimica Sinica.

Keyword:

Heptane/hexanol solution; Quaternary ammonium Gemini surfactants; Reverse micelle; Solubilizing water

Community:

  • [ 1 ] [Zheng, O.]Department of Applied Chemistry, College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China
  • [ 2 ] [Zhao, J.-X.]Department of Applied Chemistry, College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China
  • [ 3 ] [Fu, X.-M.]Department of Applied Chemistry, College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China

Reprint 's Address:

  • [Zhao, J.-X.]Department of Applied Chemistry, College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China

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Source :

Acta Physico - Chimica Sinica

ISSN: 1000-6818

Year: 2006

Issue: 3

Volume: 22

Page: 322-325

0 . 5 6 1

JCR@2006

1 0 . 8 0 0

JCR@2023

JCR Journal Grade:4

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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