Solvent Polarities of Supercritical CO2/Methanol Mixtures.
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- Bulgarevich Dmitry S.
- Department of Chemical Systems, National Institute of Materials and Chemical Research
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- Sako Takeshi
- Department of Chemical Systems, National Institute of Materials and Chemical Research
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- Sugeta Tsutomu
- Department of Chemical Systems, National Institute of Materials and Chemical Research
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- Otake Katsuto
- Department of Chemical Systems, National Institute of Materials and Chemical Research
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- Sato Masahito
- Department of Chemical Systems, National Institute of Materials and Chemical Research
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- Uesugi Masayuki
- Department of Industrial Chemistry , Faculty of Engineering, Nihon University
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- Kato Masahiro
- Department of Industrial Chemistry , Faculty of Engineering, Nihon University
Bibliographic Information
- Other Title
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- Solvent Polarities of Supercritical CO2
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Abstract
UV/VIS absorption spectroscopy was used to estimate the microscopic solvent polarities of supercritical carbon dioxide alone and its mixtures with methanol. It was found that the local composition of methanol in the cybotactic region of 4-nitroanisole was larger than the corresponding bulk concentration. With increasing pressure the methanol molecules were pressed out of the solvation shell of probe molecule by the carbon dioxide molecules. From the solubility measurements the solvation numbers of the carbon dioxide molecules around 4-nitroanisole were calculated as a function of fluid density.
Journal
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- The Review of High Pressure Science and Technology
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The Review of High Pressure Science and Technology 7 1423-1425, 1998
The Japan Society of High Pressure Science and Technology
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Details 詳細情報について
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- CRID
- 1390001204382140032
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- NII Article ID
- 10002694285
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- NII Book ID
- AN10452913
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- ISSN
- 13481940
- 0917639X
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- NDL BIB ID
- 4494256
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed