Optical Sensor of Anionic Surfactants Using Solid-Phase Extraction with a Lactone-form Rhodamine B Membrane
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- MASADOME Takashi
- Department of Applied Chemistry, Faculty of Engineering, Shibaura Institute of Technology
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- AKATSU Motoo
- Department of Applied Chemistry, Faculty of Engineering, Shibaura Institute of Technology
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An optical sensor for the detection of anionic surfactants was developed. The optical sensing membrane is a 2-nitrophenyloctyl ether-plasticized poly(vinyl chloride) membrane incorporating a lactone-form Rhodamine B (L-RB). The response of the optical membrane to anionic surfactants was a result of the ion-pair coextraction of an anionic surfactant and a proton into the PVC membrane. The L-RB forms an ion associate with the extracted anionic surfactant; simultaneously, the formed L-RB ion associate is accompanied by a spectral change. Namely, the extracted anionic surfactant changes the color of the membrane from light pink to dark pink (absorption maximum; 558 nm). The optical membrane responds to anionic surfactants, such as dodecylbenzenesulfonate, dodecylsulfate and di-2-ethylhexyl sulfosuccinate in the concentration range from 1 to 50 µM.
収録刊行物
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- Analytical Sciences
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Analytical Sciences 24 (6), 809-812, 2008
社団法人 日本分析化学会
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詳細情報 詳細情報について
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- CRID
- 1390001204255998336
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- NII論文ID
- 10025204677
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- NII書誌ID
- AA10500785
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- ISSN
- 13482246
- 09106340
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- NDL書誌ID
- 9522241
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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