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  • 1
    ISSN: 1618-2650
    Keywords: Best. von Nitrat in Wasser ; Spektralphotometrie, UV ; flow-injection, 0,5 ml-Proben
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Summary An UV-spectrophotometric determination of NO¯3 in small samples (0.5 ml) of rain and surface waters is described. A variant of flowinjection analysis is used in combination with an active carbon filter for removal of organic interferences. The accuracy and the reproducibility of the method are generally better than 3%. One determination takes 30 s.
    Notes: Zusammenfassung Eine Methode zur Nitratbestimmung in Proben von 0.5 ml mittels eines UV-spektralphotometrischen Verfahrens in Kombination mit der „flow-injection“ Methode und einem Filter zur Beseitigung organischer Substanzen wird vorgeschlagen. Die Genauigkeit und Reproduzierbarkeit sind meistens besser als 3%. Eine Bestimmung fordert einen Zeitaufwand von 30 s.
    Type of Medium: Electronic Resource
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