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  • 1
    ISSN: 1618-2650
    Keywords: Best. von Benzo(a)pyren in Luft ; Fluorimetrie ; DC-Trennung, H2SO4-Lösung
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Summary The potentiality of the method for the determination of benzo(a)pyrene (BaP) in airborne particulates, based on the fluorescence measurements in H2SO4, was investigated. Stability of the BaP fluorescence in H2SO4, isolation of the BaP fraction by thin-layer chromatography and the effect of quenchers on the fluorescence intensity of BaP were studied and the results are discussed. The relative standard deviation of the method was determined to be 2.9 and 5.9% for BaP levels of 265 and 68 ng, respectively.
    Notes: Zusammenfassung Die Möglichkeiten der Benzo(a)pyrenbestimmung durch Fluorescenzmessung in schwefelsaurer Lösung wurden untersucht. Die Stabilität der Fluorescenz, die Isolierung der Benzo(a)pyrenfraktion durch Dünnschicht-Chromatographie sowie der Einfluß fluorescenzlöschender Substanzen wurden geprüft und die Ergebnisse diskutiert. Die relative Standardabweichung des Verfahrens beträgt 2,9 und 5,9% für Benzo(a)pyrenmengen von 265 bzw. 68 ng.
    Type of Medium: Electronic Resource
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