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The effect of electric field on the degree of depolarisation of light scattering in colloidal solutions

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Summary

  1. 1.

    The variation ofρ u ,ρ v andρ h under the influence of electric field has been investigated using the following colloidal systems: (1) Graphite, (2) Stearic acid, (3) Vanadium pentoxide, (4) Benzopurpurine.

  2. 2.

    The variations ofρ u ,ρ v andρ h are studied using the electric field (1) perpendicular to the incident beam and the direction of observation, (2) perpendicular to the incident beam but parallel to the direction of observation and (3) parallel to the incident beam and perpendicular to the direction of observation.

  3. 3.

    The variation in the depolarisation factors depends upon (a) the voltage applied, (b) the direction of the field, (c) the concentration of the solution employed.

  4. 4.

    The effect of the electric field on the variations in intensity of V v , H v , V h and H h have been carried out using the double double-image prism method.

  5. 5.

    The relationship between the anisotropy of the colloidal particles and the influence of the electric field on the depolarisation factors, is discussed.

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Authors
  1. R. Subramanya
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  2. M. R. Aswatha Narayana Rao
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Additional information

(Communicated by Dr. B. Sanjiva Rao,f.a.sc.)

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Subramanya, R., Rao, M.R.A.N. The effect of electric field on the degree of depolarisation of light scattering in colloidal solutions. Proc. Indian Acad. Sci. (Math. Sci.) 29, 442–457 (1949). https://doi.org/10.1007/BF03036879

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  • DOI: https://doi.org/10.1007/BF03036879

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