Specific Heat Capacity of Nitrobenzene–Tetradecane Near the Liquid–Liquid Critical Point

Author： Losada-Perez P.   Cordoyiannis G.   Cerdeiriña C.   Glorieux C.   Thoen J.  

Publisher： Springer Publishing Company

ISSN： 0195-928X

Source： International Journal of Thermophysics, Vol.31, Iss.4-5, 2010-05, pp. : 710-716

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Abstract

High-resolution adiabatic scanning calorimetry has been used to study the specific heat capacity anomaly of the nitrobenzene–tetradecane mixture near its upper critical point. The analysis, which is based on a method that uses heat capacity and enthalpy data, yields a value of the critical amplitude ratio A +/A − which is consistent with the universal, accepted one. The critical amplitude of the correlation length was derived via two-scale factor universality. All this information is compared to that reported in previous studies for nitrobenzene–alkane mixtures.

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