Nitrate determination in sugar beet sap extracted with Pb (CH₃COO)₂‐PbO using an ion‐selective electrode

Manassis G. Mitrakas Laboratory of Analytical Chemistry, Department of Chemical Engineering, School of Engineering, Aristotle University of Thessaloniki, Thessaloniki, 54006, Greece

Vissarion Z. Keramidas Laboratory of Analytical Chemistry, Department of Chemical Engineering, School of Engineering, Aristotle University of Thessaloniki, Thessaloniki, 54006, Greece

Constantinos A. Tzimourtas Laboratory of Analytical Chemistry, Department of Chemical Engineering, School of Engineering, Aristotle University of Thessaloniki, Thessaloniki, 54006, Greece

Abstract

Nitrates were directly determined in sugar beet sap, extracted with 0.04 M Pb(CH₃COO)₂ ‐ 0.02 M PbO, using an ion‐selective electrode. Nitrate levels as low as 5 mg/kg of fresh plant weight could be accurately determined with a high degree of precision. As an additional advantage, this method can be automated so that nitrates in sugar beet sap can be determined simultaneously with Na, K, aminoacid‐nitrogen, and sugar.

Notes

Laboratory of Soil Science, Aristotle University of Thessaloniki, Greece.

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Nitrate determination in sugar beet sap extracted with Pb (CH₃COO)₂‐PbO using an ion‐selective electrode

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Nitrate determination in sugar beet sap extracted with Pb (CH3COO)2‐PbO using an ion‐selective electrode

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Nitrate determination in sugar beet sap extracted with Pb (CH₃COO)₂‐PbO using an ion‐selective electrode