Measurement of the ratio of isothermal compressibility to the square of isobaric expansivity of acetonitrile by Rayleigh light scattering

M. Valiskó, S. Valkai, J. Liszi, I. Szalai

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Abstract

The ratio of isothermal compressibility to the square of isobaric expansivity (κrp 2) was determined via Rayleigh light scattering experiments for liquid acetonitrile as a function of temperature. The data obtained from light scattering measurements are in good agreement with those calculated from Strobridge equation of state of acetonitrile. The polarizable dipolar hard sphere model potential parameters obtained from optically measured data via the perturbation theory show excellent agreement with those obtained by the help of phase equilibrium data of acetonitrile.

Original languageEnglish
Pages (from-to)257-260
Number of pages4
JournalZeitschrift fur Physikalische Chemie
Volume210
Issue number2
Publication statusPublished - 1999

Fingerprint

Rayleigh scattering
Compressibility
Light scattering
compressibility
acetonitrile
light scattering
Equations of state
Phase equilibria
equations of state
perturbation theory
Liquids
liquids
Experiments
Temperature
temperature

Keywords

  • Acetonitrile
  • Light scattering
  • Perturbation theory
  • Potential parameters

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Atomic and Molecular Physics, and Optics

Cite this

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abstract = "The ratio of isothermal compressibility to the square of isobaric expansivity (κr/αp 2) was determined via Rayleigh light scattering experiments for liquid acetonitrile as a function of temperature. The data obtained from light scattering measurements are in good agreement with those calculated from Strobridge equation of state of acetonitrile. The polarizable dipolar hard sphere model potential parameters obtained from optically measured data via the perturbation theory show excellent agreement with those obtained by the help of phase equilibrium data of acetonitrile.",
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T1 - Measurement of the ratio of isothermal compressibility to the square of isobaric expansivity of acetonitrile by Rayleigh light scattering

AU - Valiskó, M.

AU - Valkai, S.

AU - Liszi, J.

AU - Szalai, I.

PY - 1999

Y1 - 1999

N2 - The ratio of isothermal compressibility to the square of isobaric expansivity (κr/αp 2) was determined via Rayleigh light scattering experiments for liquid acetonitrile as a function of temperature. The data obtained from light scattering measurements are in good agreement with those calculated from Strobridge equation of state of acetonitrile. The polarizable dipolar hard sphere model potential parameters obtained from optically measured data via the perturbation theory show excellent agreement with those obtained by the help of phase equilibrium data of acetonitrile.

AB - The ratio of isothermal compressibility to the square of isobaric expansivity (κr/αp 2) was determined via Rayleigh light scattering experiments for liquid acetonitrile as a function of temperature. The data obtained from light scattering measurements are in good agreement with those calculated from Strobridge equation of state of acetonitrile. The polarizable dipolar hard sphere model potential parameters obtained from optically measured data via the perturbation theory show excellent agreement with those obtained by the help of phase equilibrium data of acetonitrile.

KW - Acetonitrile

KW - Light scattering

KW - Perturbation theory

KW - Potential parameters

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