A New Reagent Immobilization Method for a Portable Fiber Optic Probe for Determination of Ferrous Ions.
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- LIU Xue-mei
- Institute of Hygiene and Environmental Medicine of Tianjin
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- XING Wan-li
- Institute of Hygiene and Environmental Medicine of Tianjin
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- OU Guo-rong
- Institute of Hygiene and Environmental Medicine of Tianjin
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- LIANG Jun
- Institute of Hygiene and Environmental Medicine of Tianjin
書誌事項
- タイトル別名
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- New Reagent Immobilization Method for a Portable Fiber Optic Probe for Determination of Ferrous Ions
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An absorbance-based optic fiber probe for determination of ferrous ions is described. It is based on 4,7-diphenyl-1,10-phenanthroline as a sensitive reagent which was immobilized on polymethylmethacrylate (PMMA) using a new immobilization method. The proposed probe responded linearly to the Fe2+ concentration in the range of 0.03 - 1.0 mg l-1. The response time required to reach a stable signal was short (less than 10 min). The probe exhibited pH and temperature independence, small ion interference, good selectivity, reproducibility and stability. It was applied for direct analysis of Fe2+ ions in natural water. The results were comparable to those obtained by a conventional spectrophotometric method. The results of recovery tests were also satisfactory.
収録刊行物
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- Analytical Sciences
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Analytical Sciences 16 (5), 473-476, 2000
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
- 1390282679235196416
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- NII論文ID
- 130004440263
- 10004954535
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- NII書誌ID
- AA10500785
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- COI
- 1:CAS:528:DC%2BD3cXjslCns7g%3D
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- ISSN
- 13482246
- 09106340
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- NDL書誌ID
- 5383438
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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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- 使用不可