The role of two-particle effects in the behavior of refraction of single-component liquids and two-component solutions

ANOMALOUS LIGHT SCATTERING IN AQUEOUS KCl SOLUTIONSMolecular light scattering in dilute aqueous potassium chloride solutions has been studied. Anomalous (additional) molecular scattering of light is experimentally detected in the concentration interval from 0.001 to 0.004 mole fractions of the electrolyte. The obtained data are compared with the literature data on light scattering in aqueous and non-aqueous solutions of potassium chloride. The absence of additional scattering in the previous works was substantiated. K e y w o r d s: light scattering, water, solutions, electrolytes.

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Extraordinary Properties of Alcohols from the Homologous Series of Methanol

Gotsulskyi

Malomuzh

Chechko

2020

Ukr. J. Phys.

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Non-trivial properties of thermodynamic quantities such as the density, the critical and triple point temperatures, and their ratio, as well as the optical and dielectric properties, have been analyzed for primary alcohols from the methanol series. The aim is to reveal relationships among their values measured at the same temperatures for alcohols with different ordinal numbers m’s in the methanol series. It is shown that the non-monotonic character of the temperature dependences of alcohol densities is associated with methanol rather than ethanol, as may seem at first glance. The critical temperature of methanol also deviates from the quasilinear dependence of the critical alcohol temperatures on m. With the growing m, the ratio between the critical and triple-point temperatures for alcohols is shown to tend to the corresponding value for water. Simple linear dependences of the electronic and effective static polarizabilities of alcohol molecules on m are established. The transverse and longitudinal components of the polarizability tensor for alcohol molecules are found. The dipole moments of the closest neighbor molecules in the alcohols are proved to anticorrelate, i.e. to orient in opposite directions.

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The role of two-particle effects in the behavior of refraction of single-component liquids and two-component solutions

Cited by 3 publications

References 12 publications

Anomalous propagation and scattering of sound in 2-propanol water solution near its singular point

Anomalous propagation and scattering of sound in 2-propanol water solution near its singular point

Anomalous Light Scattering in Aqueous KCl Solutions

Extraordinary Properties of Alcohols from the Homologous Series of Methanol

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