FUSION OF MERCURY - A NEW CERTIFIED STANDARD FOR DIFFERENTIAL SCANNING CALORIMETRY

被引:9
作者
CALLANAN, JE [1 ]
MCDERMOTT, KM [1 ]
WESTRUM, EF [1 ]
机构
[1] UNIV MICHIGAN,DEPT CHEM,ANN ARBOR,MI 48109
关键词
D O I
10.1016/0021-9614(90)90192-S
中图分类号
O414.1 [热力学];
学科分类号
摘要
From the results of adiabatic-calorimetric measurements, mercury has been certified as a standard reference material for temperature and enthalpy of fusion for differential scanning calorimetry. The fusion temperature is (234.30 ± 0.03) K and the molar enthalpy of fusion is (2.301 ± 0.001) kJ·mol-1. Adiabatic-calorimetric measurements made by heating continuously at 0.00017 K·s-1 through the transition showed a fusion temperature of (234.32 ± 0.03) K. Differential-scanning-calorimetric measurements gave a fusion temperature of (234.34 ± 048) K. © 1990.
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页码:225 / 230
页数:6
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