A Highly Selective Potentiometric Sensor of Molybdate Based on a μ-Oxo-bridged Manganeseporphyrin Dimer
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- FANG Zheng-Hui
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry & Chemical Engineering, Hunan University Yueyang Vocational & Technical College
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- HAN Zhi-Xiang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry & Chemical Engineering, Hunan University
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- ZHANG Xiao-Bing
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry & Chemical Engineering, Hunan University
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- SHEN Guo-Li
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry & Chemical Engineering, Hunan University
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- YU Ru-Qin
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry & Chemical Engineering, Hunan University
書誌事項
- タイトル別名
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- A Highly Selective Potentiometric Sensor of Molybdate Based on a .MU.-Oxo-bridged Manganeseporphyrin Dimer
- Highly Selective Potentiometric Sensor of Molybdate Based on a ミュー Oxo bridged Manganeseporphyrin Dimer
- A Highly Selective Potentiometric Sensor of Molybdate Based on a m-Oxo-bridged Manganeseporphyrin Dimer
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A novel high-selective potentiometric sensor for molybdate was prepared with a PVC membrane combining μ-oxo-bis[5,10,15,20-tetra(p-methylphenyl)porphinatomanganese(III)] [[Mn(p-Me)TPP]2O] as an electroactive material and 2-nitrophenyl octyl ether (o-NPOE) as a plasticizer in the percentage ratio of 3:65:32, [Mn(p-Me)TPP]2O:o-NPOE:PVC (w:w). The sensor exhibited a linear response with a Nernstian slope of 30.5 mV per decade within a concentration range of 2.1 × 10-6 to 1.0 × 10-1 M MoO42-, with a working pH range from 5.0 to 12.5, and a fast response time of less than 15 s. The electrode showed improved selectivity toward molybdate with respect to common coexisting anions compared to monometalloporphyrin counterparts. Several electroactive materials and solvent mediators were compared and the experimental conditions were optimized. The sensor is preliminary applied to the assay of MoO42- in corrosion inhibitor samples with satisfactory results.
収録刊行物
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- Analytical Sciences
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Analytical Sciences 22 (7), 949-953, 2006
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
- 1390282679232417536
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- NII論文ID
- 10017605170
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- NII書誌ID
- AA10500785
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- ISSN
- 13482246
- 09106340
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- NDL書誌ID
- 7968252
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- PubMed
- 16837744
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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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- PubMed
- CiNii Articles
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- 使用不可