The Electrochemical Detremination of Nitric Oxide in Seawater Media with Microelectrodes
The electrochemical determination of nitric oxide in seawater with microelectrodes is reported in this paper. Two electrodes, ISO-NOPMC microsensor and modified platinum microelectrode, are evaluated for their performance in seawater. The peak current is found to be linear with the NO concentration...
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MDPI AG
2003-08-01
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Online Access: | http://www.mdpi.com/1424-8220/3/8/304/ |
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author | Wei-Jun Cai Chunyan Ren Yongchen Wang Liqing Jiang Lei Xing Zhengbin Zhang |
author_facet | Wei-Jun Cai Chunyan Ren Yongchen Wang Liqing Jiang Lei Xing Zhengbin Zhang |
author_sort | Wei-Jun Cai |
collection | DOAJ |
description | The electrochemical determination of nitric oxide in seawater with microelectrodes is reported in this paper. Two electrodes, ISO-NOPMC microsensor and modified platinum microelectrode, are evaluated for their performance in seawater. The peak current is found to be linear with the NO concentration in the range 1×10-6-1.2×10-5 mol/l for both microelectrodes. The detection limit of ISO-NOPMC microsensor is 1.4×10-8 mol/l. Two methods for calibration of NO sensor, saturated NO solutions and decomposition of S-nitroso-acetyl-DL-penicillamine (SNAP), are discussed and compared. In addition, we examined the performance degradation of these microelectrodes in seawater due to complexation with seawater components. |
first_indexed | 2024-04-11T13:25:27Z |
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id | doaj.art-379f4b8e5cc447439470cc1f609434f4 |
institution | Directory Open Access Journal |
issn | 1424-8220 |
language | English |
last_indexed | 2024-04-11T13:25:27Z |
publishDate | 2003-08-01 |
publisher | MDPI AG |
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series | Sensors |
spelling | doaj.art-379f4b8e5cc447439470cc1f609434f42022-12-22T04:22:04ZengMDPI AGSensors1424-82202003-08-013830431310.3390/s30800304The Electrochemical Detremination of Nitric Oxide in Seawater Media with MicroelectrodesWei-Jun CaiChunyan RenYongchen WangLiqing JiangLei XingZhengbin ZhangThe electrochemical determination of nitric oxide in seawater with microelectrodes is reported in this paper. Two electrodes, ISO-NOPMC microsensor and modified platinum microelectrode, are evaluated for their performance in seawater. The peak current is found to be linear with the NO concentration in the range 1×10-6-1.2×10-5 mol/l for both microelectrodes. The detection limit of ISO-NOPMC microsensor is 1.4×10-8 mol/l. Two methods for calibration of NO sensor, saturated NO solutions and decomposition of S-nitroso-acetyl-DL-penicillamine (SNAP), are discussed and compared. In addition, we examined the performance degradation of these microelectrodes in seawater due to complexation with seawater components.http://www.mdpi.com/1424-8220/3/8/304/ISO-NOPMC microsensormodified platinum microelectrodeNitric oxideSeawaterSNAP |
spellingShingle | Wei-Jun Cai Chunyan Ren Yongchen Wang Liqing Jiang Lei Xing Zhengbin Zhang The Electrochemical Detremination of Nitric Oxide in Seawater Media with Microelectrodes Sensors ISO-NOPMC microsensor modified platinum microelectrode Nitric oxide Seawater SNAP |
title | The Electrochemical Detremination of Nitric Oxide in Seawater Media with Microelectrodes |
title_full | The Electrochemical Detremination of Nitric Oxide in Seawater Media with Microelectrodes |
title_fullStr | The Electrochemical Detremination of Nitric Oxide in Seawater Media with Microelectrodes |
title_full_unstemmed | The Electrochemical Detremination of Nitric Oxide in Seawater Media with Microelectrodes |
title_short | The Electrochemical Detremination of Nitric Oxide in Seawater Media with Microelectrodes |
title_sort | electrochemical detremination of nitric oxide in seawater media with microelectrodes |
topic | ISO-NOPMC microsensor modified platinum microelectrode Nitric oxide Seawater SNAP |
url | http://www.mdpi.com/1424-8220/3/8/304/ |
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