Journal of Surface Science and Technology

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On the Electrical Conductivity of Microemulsions Stabilized by Sodium Dodecyl Sulfate and 1-Butanol at Constant Water to Surfactant Molar Ratio


Affiliations
1 Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, New Brunswick, NJ 08903, United States
2 Department of Chemistry, Sankardev College, Shillong, India
3 Department of Chemistry, North Eastern Hill University, NEHU Campus, Shillong-793 002, India
     

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Electrical conductivity of water/sodium dodecyl sulfate/l-butanol/oil microemulsions having molar ratios of water to surfactant and surfactant to cosurfactant equal to 44 and 0.1144 respectively, was measured at 25°C using eight different oils (octane, benzene, toluene, carbon tetrachloride, chloroform, cyclohexane, m-xylene and nitrobenzene). These microemulsions have been found to fall in the w/o and bicontinuous regions over the range of volume fractions of oils covered in this study. The specific conductivity data were least-squares fitted to a virial expression. In the w/o region the dimensional characteristics of the microemulsions were estimated.

Keywords

Microemulsion, Sodium Dodecyl Sulfate, Butanol, Oil, Electrical Conductivity.
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  • On the Electrical Conductivity of Microemulsions Stabilized by Sodium Dodecyl Sulfate and 1-Butanol at Constant Water to Surfactant Molar Ratio

Abstract Views: 228  |  PDF Views: 2

Authors

K. Gunaseelan
Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, New Brunswick, NJ 08903, United States
B. C. Paul
Department of Chemistry, Sankardev College, Shillong, India
J. Das
Department of Chemistry, North Eastern Hill University, NEHU Campus, Shillong-793 002, India
K. Ismail
Department of Chemistry, North Eastern Hill University, NEHU Campus, Shillong-793 002, India

Abstract


Electrical conductivity of water/sodium dodecyl sulfate/l-butanol/oil microemulsions having molar ratios of water to surfactant and surfactant to cosurfactant equal to 44 and 0.1144 respectively, was measured at 25°C using eight different oils (octane, benzene, toluene, carbon tetrachloride, chloroform, cyclohexane, m-xylene and nitrobenzene). These microemulsions have been found to fall in the w/o and bicontinuous regions over the range of volume fractions of oils covered in this study. The specific conductivity data were least-squares fitted to a virial expression. In the w/o region the dimensional characteristics of the microemulsions were estimated.

Keywords


Microemulsion, Sodium Dodecyl Sulfate, Butanol, Oil, Electrical Conductivity.