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Incorporation of a coated tubular solid-state iodide-selective electrode into the conduits of a flow-injection system

Einbau einer Feststoff-überzogenen iodidselektiven Röhrenelektrode in ein Fließ-Injektions-System

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Zusammenfassung

Herstellung, Einbau und Verhalten einer einfachen und preiswerten iodidselektiven Feststoffelektrode in ein Fließ-Injektionssystem werden beschrieben. Das kompakte System ist stabil und erfordert nach dem Einbau nur eine minimale Wartung. Iodid kann im Bereich von 5–2000 mg/ml bei einem Durchsatz von 90 Proben/Stunde mit einem Variationskoeffizient von besser als 1,8% bestimmt werden.

Summary

The construction, incorporation and behaviour of a simple and cheap coated tubular solid-state iodide-selective electrode into the conduits of a flow-injection system is described. The compact tubular membrane FIA system is stable and once the electrode is established, it requires minimum maintenance. Iodide can be determined in the range 5–2,000 mg/l with a sample frequency of about 90 samples per hour and a coefficient of variation of better than 1.8%.

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Authors and Affiliations

  1. Department of Chemistry, University of Pretoria, 0002, Pretoria, South Africa

    Jacobus F. van Staden

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  1. Jacobus F. van Staden
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van Staden, J.F. Incorporation of a coated tubular solid-state iodide-selective electrode into the conduits of a flow-injection system. Z. Anal. Chem. 325, 247–251 (1986). https://doi.org/10.1007/BF00498166

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  • DOI: https://doi.org/10.1007/BF00498166

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