2010 Fiscal Year Final Research Report
Development of an automated system for pH measurements of high-temperature and high-pressure aqueous solution using a microchannel
| Project/Area Number |
20686053
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| Research Category |
Grant-in-Aid for Young Scientists (A)
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| Allocation Type | Single-year Grants |
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| Research Field |
Properties in chemical engineering process/Transfer operation/Unit operation
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| Research Institution | National Institute of Advanced Industrial Science and Technology |
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Principal Investigator |
SUE Kiwamu National Institute of Advanced Industrial Science and Technology, ナノシステム研究部門, 研究員 (60333845)
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| Project Period (FY) |
2008 – 2010
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| Keywords | pH測定 / 全自動システム / マイクロチャネル / 高温高圧水溶液 |
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| Research Abstract |
The goal of this research is to develop an automated system for pH measurements of high-temperature and high-pressure aqueous solution using a microchannel. An electrochemical microcell for potentiometric pH measurements at high-temperature and high-pressure condition was developed. The microcell was equipped with a microchannel for exact control of temperature and residence time. Then, an automated measurement system was developed for continuous measurements at different temperature, pressure, flow rate, concentration, and solute conditions. Further, new dissociation constant data of carboxylic acids were reported. On the basis of the data, a simple prediction method for dissociation constant of carboxylic acids was proposed.
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