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Heat capacity and thermodynamic properties of germanium disulfide attemperatures from T = (2 to 1240) K
Authors: Málek Jiří | Mitsuhashi Takefumi | Ohashi Naoki | Taniguchi Yuki | Kawaji Hitoshi | Atake Tooru
Year: 2011
Type of publication: článek v odborném periodiku
Name of source: Journal of Chemical Thermodynamics
Publisher name: Academic Press (Elsevier)
Page from-to: 405-409
Titles:
Language Name Abstract Keywords
cze Tepelná kapacita a termodynamické vlastnosti GeS2 při teplotách od 2 K do 1240 K Tepelná kapacita polykrystalického alfa-GeS2 byla proměřena pomocí relaxační kalorimetrie, adiabatické kalorimetrie, DSC a tepelně vodivostní kalorimetrie v rozsahu teplot od 2 K do 1240 K. Z dat byly získány hodnoty molární tepelné kapacity, standardní molární entropie a standardní molární entalpie. GeS2; tepelná kapacita; tání; termodynamické vlastnosti
eng Heat capacity and thermodynamic properties of germanium disulfide attemperatures from T = (2 to 1240) K The heat capacity of polycrystalline germanium disulfide alpha-GeS(2)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 alpha-GeS(2) were calculated over the range (0 <= T/K <= 1250). GeS2; Heat capacity; Fusion; Thermodynamic properties