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Effect of some cationic detergents on an oil/water emulsion stabilized by sodium lauryl sulphate

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  • Colloid Science
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Summary

A petroleum ether-in-water emulsion stabilized by sodium lauryl sulphate, an anionic surfactant was studied and its stability has been examined in the light of D. L. V. O. theory by adding some cationic detergents with different carbon chain lengths and head groups size. Flocculation studies were made haemocytometrically and the values were correlated with zeta potentials which were determined microelectro phoretically. From the values of zeta-potential, the energy curves, binding parameters, charge densities, operating value of Hamaker constant for the system etc. have been calculated. Both the rates of coalescence and flocculation were measured separately in order to study the kinetics of coagulation of the system.

Zusammenfassung

Es wurde die Stabilität von Petroläther-Wasser-Emulsion, die durch Natriumlauryisulfat stabilisiert war, beim Zusatz kationischer Tenside mit verschiedener Kettenlänge und Größe der polaren Endgruppen bestimmt. Aus Flockungskonzentrat undξ-Potentialmessungen wurden die wesentlichen Größen der DLVO-Theorie ermittelt. Weiterhin wurde die Kinetik der Koaleszenz und Flockung untersucht.

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Authors and Affiliations

  1. Chemistry Department, Agra College, Agra, India

    P. Babadur &  S. N. Srivastava

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  1. P. Babadur
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  2. S. N. Srivastava
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Babadur, P., Srivastava, S.N. Effect of some cationic detergents on an oil/water emulsion stabilized by sodium lauryl sulphate. Colloid & Polymer Sci 253, 315–321 (1975). https://doi.org/10.1007/BF02352081

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  • DOI: https://doi.org/10.1007/BF02352081

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