Determination of nitrate with a flow-injection system combining square-wave polarographic detection with on-line deaeration |
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| Authors: | Mouna Noufi Ch. Yarnitzky Magda Ariel |
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| Affiliation: | Department of Chemistry, Israel Institute of Technology, Technion City, Haifa 32000 Israel |
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| Abstract: | The combination of a flow-injection system with square-wave polarography and on-line deaeration is applied to the determination of nitrate, utilizing the catalytic reaction between nitrate and uranyl ion. The method is simple, rapid (60 samples h?1), sensitive and accurate, with a detection limit of 2 μM nitrate. The method has been applied to the determination of nitrate in drinking and river waters. |
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| Keywords: | Nitrate Waters |
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