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Citation: Ding Yi-Ming, Yu Qing-Sen, Lin Rui-Sen, Zong Han-Xing. A Set of Vapor-Flow Calorimeter and the Heat Capacities of Benzene and Benzene-Cyclohexane[J]. Acta Physico-Chimica Sinica, ;1993, 9(04): 542-547. doi: 10.3866/PKU.WHXB19930422 shu

A Set of Vapor-Flow Calorimeter and the Heat Capacities of Benzene and Benzene-Cyclohexane

1.
Zhejiang University, Hangzhou 310027

Received Date: 30 December 1991
Available Online: 15 August 1993

A set of vapor-flow calorimeter has been constructed on the basis of Power's adiabatic calorimeter and Clarke s flash boiler. It can determine the heat capacities of mono-or multi-component vapors from vaporizing temperature to 600 K and 10—600 kPa pressures. For the calibration of the instrument, the heat capacities of benzene have been measured under 51.1, 101.3, 309.3 and 495.2 kPa and 370—600 K tempera-tures. For multicomponent vapor, benzene-cyclohexane has been determined. The results showed that the calorimeter has both the precision and accuracy better than 1.0% for either pure or mixtural vapors.
- Heat capacity of vapors; Flow calorimeter; Flash boiler; Benzene; Benzene-cyclohexane
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