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Volume 62, 1966
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Light scattering of electrolyte solutions


The Rayleigh ratio of the light scattered at 90° by solutions of three simple electrolytes has been measured with high precision using a modified Brice Phoenix light-scattering photometer. From the results obtained at wavelengths 546 and 436 mµ the contribution Rc.f. to the scattering due to fluctuations in concentration of the solute has been calculated from the total isotropic scattering of the solutions and the contribution Rd.f. from the density fluctuations on the system. The quantities Kc/Rc.f. so obtained are compared with (–∂ ln a0/∂c)p,T obtained from activity data. Also included are measurements on the refractive index, refractive index increment and depolarization of the solutions at wavelengths 546 and 436 mµ.

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Article type: Paper
DOI: 10.1039/TF9666201890
Citation: Trans. Faraday Soc., 1966,62, 1890-1899
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    Light scattering of electrolyte solutions

    B. A. Pethica and C. Smart, Trans. Faraday Soc., 1966, 62, 1890
    DOI: 10.1039/TF9666201890

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