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Simultaneous determination of chromium(VI) and chromium(III) by flame atomic absorption spectrometry with a chelating ion-exchange flow injection system

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Simultaneous Determination of Chromium(VI) and Chromium(III) by Flame Atomic Absorption Spectrometry with a Chelating Ion-Exchange Flow Injection System

A simple method is described for the simultaneous determination of chromium(VI) and chromium(III) in a flow injection system comprising chelating ion-exchange and flame atomic absorption spectrometry. Sampling rates for 200μ1 and 1 ml sample volumes were 120 and 60 h−1 (240 and 120 speciations per hour), respectively. Typical relative standard deviations were 0.52% for Cr(VI) (0.50μg ml−1 and 0.67% for Cr(III) (0.10,μg ml−1) and the corresponding limits of detection were 85 ng ml−1, and 16 ng ml−1, respectively.

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Authors and Affiliations

  1. Departments of Chemistry and Chemical and Metallurgical Engineering, Mackay School of Mines, University of Nevada Reno, Nevada, USA

    Emil B. Milosavljević, Ljiljana Solujić, John H. Nelson & James L. Hendrix

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  1. Emil B. Milosavljević
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  2. Ljiljana Solujić
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  3. John H. Nelson
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  4. James L. Hendrix
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On leave from University of Belgrade.

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Milosavljević, E.B., Solujić, L., Nelson, J.H. et al. Simultaneous determination of chromium(VI) and chromium(III) by flame atomic absorption spectrometry with a chelating ion-exchange flow injection system. Mikrochim Acta 87, 353–360 (1985). https://doi.org/10.1007/BF01196834

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  • DOI: https://doi.org/10.1007/BF01196834

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