Heat capacity and thermodynamic properties of GERMANIUM DISULFIDE (cas 12025-34-2) at temperatures from T = (2 to 1240) K

Add time:07/27/2019    Source:sciencedirect.com

The heat capacity of polycrystalline GERMANIUM DISULFIDE (cas 12025-34-2) α-GeS2 has been measured by relaxation calorimetry, adiabatic calorimetry, DSC and heat flux calorimetry from T = (2 to 1240) K. Values of the molar heat capacity, standard molar entropy and standard molar enthalpy are 66.191 J · K−1 · mol−1, 87.935 J · K−1 · mol−1 and 12.642 kJ · mol−1. The temperature of fusion and its enthalpy change are 1116 K and 23 kJ · mol−1, respectively. The thermodynamic functions of α-GeS2 were calculated over the range (0 ⩽ T/K ⩽ 1250).

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