Abstract

Relative measurements of the intensities of isotropic and anisotropic light by 56 solvent have been performed at a scattering angle of 90 degrees and at 20 degrees using helium-neon laser at wavelength 632.8 nm. The deduced value of Rayleigh ratio Ris together with literature values of isothermal compressibility for these solvents were utilized for testing different relationships between density and refractive index of pure liquids. Anisotropic and isotropic Rayleigh ratios permit one to reach isothermal compressibilities and effective molecular anisotropies. The role of orientational interaction in anisotropic light scattering by the solvents concerned is discussed.

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