Analytical and Bioanalytical Chemistry 2005-01-01

Polarographic and voltammetric determination of trace amounts of 2-nitronaphthalene.

Karolina Pecková, Jirí Barek, Josino Costa Moreira, Jirí Zima

Index: Anal. Bioanal. Chem 381(2) , 520-5, (2005)

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Abstract

The polarographic behaviour of 2-nitronaphthalene was investigated by DC tast polarography (DCTP) and differential pulse polarography (DPP), both at a dropping mercury electrode, and differential pulse voltammetry and adsorptive stripping voltammetry, both at a hanging mercury drop electrode. Optimum conditions have been found for the determination of 2-nitronaphthalene by the given methods in the concentration ranges of 2 x 10(-6) - 1 x 10(-4), 2 x 10(-7) - 1 x 10(-4), 1 x 10(-8) - 1 x 10(-4) and 2 x 10(-9) - 1 x 10(-8) M, respectively. Practical applicability of these techniques was demonstrated by the determination of 2-nitronaphthalene in drinking and river water after its preliminary separation and preconcentration using liquid-liquid and solid-phase extraction with limits of determination of 3 x 10(-10) M (drinking water) and 3 x 10(-9) M (river water).

Related Compounds

  • 2-Nitronaphthalene

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