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Determination of antimony in soil samples by flow-through stripping chronopotentiometry with a microporous mercury-film electrode

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Manova A., Strelec M., Beinrohr E.

Polish Journal of Environmental Studies

2007

tom 16

nr 4

607-611

Flow-through stripping chronopotentiometry was used for the determination of antimony in soil samples. Antimony was deposited in potentiostatic mode on a glassy carbon porous electrode coated with Nafion® and mercury and then stripped with constant current. The accuracy of the results was confirmed by graphite furnace atomic absorption spectrometry. The LOD and LOQ were found to be 0.6 ^g dm-3 and 1.7 ^g dm-3, respectively. A linear response range was observed in the concentration range of 1 to 200 ^g dm-3 for sample volumes of 4 ml. The repeatability and reproducibility were found to be 2.9% and 5.2%, respectively.

Ograniczanie wyników

1 Polish Journal of Environmental Studies

1 Beinrohr E.

1 Manova A.

1 Strelec M.

1 2007

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Determination of antimony in soil samples by flow-through stripping chronopotentiometry with a microporous mercury-film electrode