Different Structural States of 4-Methylpyridine–Water Solutions: Experimental Study of the Adiabatic Compressibility at the Hypersonic Frequency

Authors

  • L. M. Sabirov Physics Department, Samarkand State University
  • D. I. Semenov Physics Department, Samarkand State University

DOI:

https://doi.org/10.15407/ujpe60.09.0868

Keywords:

Rayleigh scattering, water solution, 4-methylpyridine, adiabatic compressibility

Abstract

The behavior of the adiabatic compressibility BS with variation in the temperature t and the concentration x in the aqueous solution of a nonelectrolyte is experimentally studied from the fine structure of the spectra of light scattering. The sign inversion of the derivative of the adiabatic compressibility with respect to the concentration dBS(x)/dx and temperature dBS(t)/dt is observed. In the temperature-concentration phase diagram, the inversion points determine the lines of transition from the solution structure characterized by a nondisturbed continuous network of hydrogen bonds to the disturbed one, and, further, to the structure with fragmentary network.

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UJP 2015 V60 #9

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Published

2019-01-15

Issue

Vol. 60 No. 9 (2015)

Section

Soft matter

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How to Cite

Different Structural States of 4-Methylpyridine–Water Solutions: Experimental Study of the Adiabatic Compressibility at the Hypersonic Frequency. (2019). Ukrainian Journal of Physics, 60(9), 868. https://doi.org/10.15407/ujpe60.09.0868

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