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Multicomponent analysis with a computerized flow injection system using LED photometric detection

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Abstract

An original computer-controlled solid-state photometer has been developed and its potential for simultaneous multicomponent flow-injection analysis of binary and ternary mixtures is demonstrated. The device is simple in construction. Its principle of operation is based on rapid sequential measurements of the absorbance of the complexes formed by the analytes with chromogenic reagents at the wavelengths corresponding to the emission maxima of three light emitting diodes (563, 580 and 638 nm).

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Authors and Affiliations

  1. Department of Chemistry, University of Warsaw, Pasteura 1, PL-02-093, Warsaw, Poland

    Marek Trojanowicz & Joanna Szpunar-Łobińska

  2. Department of Electronics, Technical University of Warsaw, PL-00-665, Warsaw, Poland

    Zdzislaw Michalski

Authors
  1. Marek Trojanowicz
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  2. Joanna Szpunar-Łobińska
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  3. Zdzislaw Michalski
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Trojanowicz, M., Szpunar-Łobińska, J. & Michalski, Z. Multicomponent analysis with a computerized flow injection system using LED photometric detection. Mikrochim Acta 103, 159–169 (1991). https://doi.org/10.1007/BF01309022

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  • DOI: https://doi.org/10.1007/BF01309022

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