Potentiometric Responses of CO2 and Cl2 Gas Sensors Using Ni Reference Electrode Closed in Na+ Conducting Na2O-Al2O3-4SiO2 Glass
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- AONO Hiromichi
- Department of Materials Science and Engineering, Faculty of Engineering, Ehime University
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- MIYANAGA Shouta
- Department of Materials Science and Engineering, Faculty of Engineering, Ehime University
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- SADAOKA Yoshihiko
- Department of Materials Science and Engineering, Faculty of Engineering, Ehime University
書誌事項
- タイトル別名
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- Potentiometric Responses of CO<sub>2</sub> and Cl<sub>2</sub> Gas Sensors Using Ni Reference Electrode Closed in Na<sup>+</sup> Conducting Na<sub>2</sub>O-Al<sub>2</sub>O<sub>3</sub>-4SiO<sub>2</sub> Glass
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<p>Potentiometric gas sensors using a Ni reference electrode closed in a Na+ conducting Na2O-Al2O3-4SiO2 glass were investigated for detection of CO2 and Cl2 sensing. An electric potential for the reference electrode was fixed by utilization of the Ni reference electrode. For the CO2 sensor using the Na2CO3 auxiliary phase and Ni reference electrode, the EMF responded to changes in the CO2 gas concentration between 10 ppm and 10000 ppm. The EMF of the CO2 sensor using the Ni reference electrode also responded to a decrease in the O2 gas concentration. However, the EMF was not fixed when the Pt reference electrode was utilized instead of Ni. The O2 gas concentration for the reference electrode would be equilibrated by the Ni, NiO, and oxygen diffused from the solid electrolyte. For the Cl2 gas sensor using the NaCl auxiliary phase, the EMF responded even to low Cl2 gas concentrations below 10 ppm and also a ppb- level gas under humid conditions.</p>
収録刊行物
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- Electrochemistry
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Electrochemistry 73 (9), 791-797, 2005-09-05
公益社団法人 電気化学会
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詳細情報 詳細情報について
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- CRID
- 1390282763119590528
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- NII論文ID
- 10015607268
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- NII書誌ID
- AN00151637
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- ISSN
- 21862451
- 13443542
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- NDL書誌ID
- 7474743
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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
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用可