引用本文:
刘士军, 陈启元, 张平民. 单斜仲钨酸铵热分解的热化学测定[J]. 物理化学学报,
2000, 16(11): 1048-1052.
doi:
10.3866/PKU.WHXB20001116
Citation: Liu Shi-Jun, Chen Qi-Yuan, Zhang Ping-Min. Thermal Decomposition of Monoclinic Ammonium Paratungstate[J]. Acta Physico-Chimica Sinica, 2000, 16(11): 1048-1052. doi: 10.3866/PKU.WHXB20001116
Citation: Liu Shi-Jun, Chen Qi-Yuan, Zhang Ping-Min. Thermal Decomposition of Monoclinic Ammonium Paratungstate[J]. Acta Physico-Chimica Sinica, 2000, 16(11): 1048-1052. doi: 10.3866/PKU.WHXB20001116
English
Thermal Decomposition of Monoclinic Ammonium Paratungstate
Abstract:
The heat of the thermal decomposition of monoclini c ammonium paratungstate, (NH4)10H2W12O42•4H2O, was measured in a HT-1000 microcalorimeter using three-step calorimetry and suitable thermochemical cycle. The standard enthalpy of the thermal decomposition reaction at 298.15 K and the standard enthalpy of formation at 298.15 K for monoclinic ammonium paratung-state were obtained to be (430.1± 10.2) kJ•mol－ 1 and－ (13 423.7±14.8) kJ•mol－ 1, respectively.
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Key words:
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Monoclinic ammonium paratungstate
- / Thermal decomposition
- / Calorimetry
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