Solid-contact Potentiometric Sensor for the Determination of Total Ammonia Nitrogen in Seawater
文献类型：期刊论文
| 作者 | Ding, Lan1,2; Ding, Jiawang2 ; Ding, Baojun1; Qin, Wei2
|
| 刊名 | INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
 |
| 出版日期 | 2017-04-01 |
| 卷号 | 12期号:4页码:3296-3308 |
| 关键词 | Ammonia Hydrogel Gas permeable membrane Solid-contact ion-selective electrode Seawater |
| ISSN号 | 1452-3981 |
| 英文摘要 | A solid-contact potentiometric sensor for in situ detection of total ammonia nitrogen (TAN, free ammonia plus the ammonium ion) in seawater is described. In the compact system, an all-solid-state polymeric membrane ammonium-seletive electrode is integrated with a polyvinyl alcohol hydrogel buffer film of pH 7.0 and a gas-permeable membrane. The gaseous NH3 in seawater diffuses through the gas-permeable membrane and is converted to NH4+ in the hydrogel buffer, which can be potentiometrically sensed by the solid-contact ammonium-sensitive membrane electrode. The electrode configuration facilitates the alteration of NH3 to NH4+ in the hydrogel buffer film and improves the sensitivity for the detection of TAN by the buffer trap effect. The gas-permeable membrane effectively eliminates the ion interferences from the seawater sample matrixes. The proposed sensor shows a stable potentiometric response in the concentration range of 10(-6) - 10(-4) M with a detection limit of 6.4 x 10(-7) M, and has been successfully applied to the detection of TAN in seawater. |
| 研究领域[WOS] | Electrochemistry |
| 关键词[WOS] | ION-SELECTIVE ELECTRODES ; POLYMERIC MEMBRANE ELECTRODES ; FLUORESCENCE DETECTION ; SPECTROPHOTOMETRIC DETECTION ; DETECTION LIMITS ; FLOW-INJECTION ; GAS SENSORS ; WATERS ; PH ; COEFFICIENTS |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000402199900057 |
| 源URL | [http://ir.yic.ac.cn/handle/133337/22528]  |
| 专题 | 烟台海岸带研究所_中科院海岸带环境过程与生态修复重点实验室 |
| 作者单位 | 1.Dalian Univ Technol, Sch Chem, Dalian 116024, Liaoning, Peoples R China 2.Chinese Acad Sci, Key Lab Coastal Environm Proc & Ecol Remediat, Shandong Prov Key Lab Coastal Environm Proc, Yantai Inst Coastal Zone Res YIC,YICCAS, Yantai 264003, Shandong, Peoples R China |
| 推荐引用方式 GB/T 7714 | Ding, Lan,Ding, Jiawang,Ding, Baojun,et al. Solid-contact Potentiometric Sensor for the Determination of Total Ammonia Nitrogen in Seawater[J]. INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE,2017,12(4):3296-3308. |
| APA | Ding, Lan,Ding, Jiawang,Ding, Baojun,&Qin, Wei.(2017).Solid-contact Potentiometric Sensor for the Determination of Total Ammonia Nitrogen in Seawater.INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE,12(4),3296-3308. |
| MLA | Ding, Lan,et al."Solid-contact Potentiometric Sensor for the Determination of Total Ammonia Nitrogen in Seawater".INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE 12.4(2017):3296-3308. |
入库方式： OAI收割
来源：烟台海岸带研究所
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