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Determination of Se(IV) in On‐Line System by Cathodic Stripping Voltammetry by Mieczyslaw Korolczuk; Malgorzata Grabarczyk is a Engineering article available to read on EtoBox.

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## Abstract A sensitive and selective on‐line voltammetric procedure for determination of traces of Se(IV) is presented. The pulsed potential accumulation was proposed for minimization of interferences of surface active substances and foreign ions. The calibration plot was linear from 1×10^−9^ mol L^−1^ to 4×10^−8^ mol L^−1^ for accumulation time of 180 s. The relative standard deviation was 6.1% (__n__=5) for a Se(IV) concentration of 1×10^−8^ mol L^−1^. The detection limit estimated from (3 σ) for an accumulation time of 180 s was about 4×10^−10^ mol L^−1^. The validation of the procedure proposed was made by a recovery tests for tap and river water samples.

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Author

Mieczyslaw Korolczuk; Malgorzata Grabarczyk

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); Wiley - V C H Verlag GmbbH & Co.; Wiley (ISSN 1040-0397)

Published

2003

Language

EN

Field

Engineering (Physical Sciences)