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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' Zeitschrift für analytische Chemie 268 (1974), S. 177-180 
    ISSN: 1618-2650
    Keywords: Best. von Calcium ; Spektralphotometrie, Atomabsorption ; Ausschaltung von Störungen
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Summary Optimum conditions and the influence of 53 ions on the determination of calcium by atomic absorption spectrophotometry have been investigated. In the nitrous oxide-acetylene flame interferences are caused by elements with low ionisation potentials. In the air-acetylene flame a number of cations and anions interfere by the formation of refractory compounds. The simple standard additions procedure was unable to overcome these interferences in the concentration ranges investigated, but did give accurate results when used in combination with a releasing agent (strontium).
    Notes: Zusammenfassung Optimale Bedingungen und Beeinflussung durch 53 verschiedene Ionen wurden untersucht. Bei Verwendung der N2O/Acetylen-Flamme werden Störungen durch Elemente mit niedrigen Ionisations-potentialen verursacht. In der Luft/Acetylen-Flamme stören eine Reihe von Kationen und Anionen durch Bildung hitzebeständiger Verbindungen. Die Anwendung der Standardzugabe-Methode ergab nur befriedigende Resultate in Kombination mit einem Strontiumzusatz.
    Type of Medium: Electronic Resource
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