Citation: Lei SHI, Xi Feng ZHANG, Xiao Gang ZHANG, Bu Xing HAN, Guan Ying YANG, Hai Ke YAN. Constant-Volume Heat Capacity of Mixed Supercritical Fluids andMolecular Interaction in the Systems[J]. Chinese Chemical Letters, ;1999, 10(10): 873-874. shu

Constant-Volume Heat Capacity of Mixed Supercritical Fluids andMolecular Interaction in the Systems

Institute of Chemistry Chinese Academy of Sciences Beijing 100080

Received Date: 27 May 1999

Fund Project: The authors are grateful to Chinese Academy of Sciences and The National Natural Science Foundation of China for the financial support (29633020, 29725308).

Constant-volume heat capacities of supercritical (SC) CO₂, SC CO₂-n-pentane, and SC CO₂-n-heptane mixtures were determined at 308.15 K in the pressure range from 6 to 12 MPa. It was found that there is a maximum in each heat capacity vs pressure curve. Intermolecular interaction in the fluids was studied.
- Constant-volume heat capacity,
- mixed supercritical fluids,
- molecular interaction
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