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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' Zeitschrift für analytische Chemie 322 (1985), S. 409-412 
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Summary A simple, sensitive and specific method is described for the determination of iodide as pentafluorobenzyl iodide, based on the chemical derivatization of iodide anion with pentafluorobenzyl bromide. The derivative formed in the reaction solution was directly analyzed, without further pretreatment, by gas chromatography with an electroncapture detector. The detection limit was about 1 ng of iodide anion in 0.10 ml of aqueous sample analyzed. Interferences of some common anions with the method were investigated and were proved to be minimal. It was demonstrated that the proposed method is applicable to the determination of iodide in spring water.
    Notes: Zusammenfassung Eine einfache, empfindliche und spezifische Methode wird beschrieben zur Iodidbestimmung als Pentafluorbenzyliodid, die auf der Reaktion von Iodid mit Pentafluorbenzylbromid beruht. Das gebildete Derivat wird direkt ohne weitere Vorbehandlung der GC mit Electron-Capture-Detektion unterworfen. Die Nachweisgrenze liegt bei etwa 1 ng Iodid in 0,1 ml. Störungen durch andere Anionen wurden untersucht und erwiesen sich als unbedeutend. Das Verfahren wurde zur Iodidbestimmung in Quellwasser angewendet.
    Type of Medium: Electronic Resource
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