Programmed-potential voltammetric determination of nitrate at a static mercury drop electrode in natural waters and soil extracts

Programmed-potential voltammetric determination of nitrate at a static mercury drop electrode in natural waters and soil extracts

Linear‐scan or differential pulse voltammetry with electrode surface modified at a mercury drop presweep potential of −1.8 V is used for the determination of nitrate in the presence of trivalent cations. The method has been applied to the determination of nitrate in drinking and riverwaters, and in...

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Veröffentlicht in:Electroanalysis (New York, N.Y.) N.Y.), 1996-06, Vol.8 (6), p.582-584
Hauptverfasser: Markušová, Kveta, Kohútová, Lýdia, Dzurov, Ján
Format: Artikel
Sprache:eng
Schlagworte:
Nitrate
Pretreatment
Voltammetry
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Zusammenfassung:Linear‐scan or differential pulse voltammetry with electrode surface modified at a mercury drop presweep potential of −1.8 V is used for the determination of nitrate in the presence of trivalent cations. The method has been applied to the determination of nitrate in drinking and riverwaters, and in soil extracts with determination limit of 0.3 μ M (20 μg L−1).
ISSN:1040-0397
1521-4109
DOI:10.1002/elan.1140080615