Absorption and Dispersion of Ultrasonic Waves in n-Amylic Alcohol-Nitromethane Critical Mixture

Measurement of absorption and propagation velocity of ultrasonic waves as well as shear viscosity in n-amylic alcohol-nitromethane critical mixture are reported. Acoustic measurements were performed in the frequency range from 5 to 25 MHz and temperatures T = -cf r o m 0 . 1 t o 1 2 . 3 K . A n analysis of the results was carried out on the basis of a modified version of mode-coupling theory [10], which led to good agreement with experiment.

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