2012 Fiscal Year Final Research Report
Development of an automated chromatographic determination method of surfactants using microfluidic chip detector
| Project/Area Number |
22550080
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Analytical chemistry
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| Research Institution | Shibaura Institute of Technology |
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Principal Investigator |
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| Co-Investigator(Renkei-kenkyūsha) |
IMATO Toshihiko 九州大学, 工学研究院, 教授 (50117066)
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| Project Period (FY) |
2010 – 2012
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| Keywords | 界面活性剤 / 界面活性剤イオンセンサ / マイクロチップ分析 / モノリスカラム / シーケンシャルインジェクション分析 / ワイヤーインプリント法 / 濃縮カラム |
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| Research Abstract |
A sequential injection analysis (SIA) system for the determination of anionic surfactant (AS) using a microfluidic polymer chip with an embedded AS ion-selective electrode (AS--ISE) as a detector was developed. Under the optimal flow conditions of the SIA system, the AS--ISE showed a good linear relationship between peak heights and logarithmic concentrations of ASion with a Nernstian slope of 60.0 mV decade-1in a concentration range from 3×10-6M～1×10-3 M mol dm-3. Sample throughput of the present system for the determination of ASion was ca. 20 samples h-1. The proposed SIA system was applied to the determination of the level of ASion in environmental water samples, such as river water.
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