Abstract
Phase transitions in normal alkanes, such as tricosane (C23H48), tetracosane (C24H50), and pentacosane (C25H52), were studied by differential scanning calorimetry. The elimination of some procedural errors provided the possibility to obtain true values for the thermodynamic parameters of phase transitions and ascertain their nature. The comparative analysis of heat capacity jumps was performed on the basis of the theory of diffuse first-order phase transitions.
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Original Russian Text © V.M. Egorov, V.A. Marikhin, L.P. Myasnikova, P.N. Yakushev, 2017, published in Fizika Tverdogo Tela, 2017, Vol. 59, No. 10, pp. 2044–2049.
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Egorov, V.M., Marikhin, V.A., Myasnikova, L.P. et al. Phase transitions in molecular crystals of n-alkanes: Tri-, tetra-, and pentacosane. Phys. Solid State 59, 2070–2075 (2017). https://doi.org/10.1134/S1063783417100146
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DOI: https://doi.org/10.1134/S1063783417100146