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Method for simultaneous measuring diffusion coefficients and refractive index dependence on concentration at different wavelengths

Ernest Karawacki

Abstract

An experimental procedure is described making it possible to determine from one diffusion experiment both the diffusion coefficient D and the dependence of the refractive index on concentrations ∂μ/∂c for many wavelengths of light. The results from the measurements of D and ∂μ/∂c at 6 wavelengths (6328Å, 5145Å, 4965Å, 4880Å, 4765Å and 4579Å) for LiNO3, NaNO3, KNO3, RbNO3, and CsNO3 in water are presented.

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Available abstract

Key concepts: Refractive index, Wavelength, Diffusion, Materials science, Index (typography), Optics, Thermodynamics, Physics