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  • Chromatographie, Dünnschicht/Polarographie  (1)
  • Life Sciences (general)  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' Zeitschrift für analytische Chemie 279 (1976), S. 257-261 
    ISSN: 1618-2650
    Keywords: Chromatographie, Dünnschicht/Polarographie ; Erfassung von auf Plastikfolien getrennten Substanzen
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Auf DC-Plastikfolien getrennte Substanzen lassen sich mit guter Genauigkeit (Wiederfindungsraten 〉 95 %) in Gegenwart des Folienmaterials gleichspannungspolarographisch durch Reduktion an der Hg-Tropfelektrode bestimmen. Die von den Leuchtpigmenten abgegebenen Zn-Ionen müssen vor der Registrierung der i-E-Kurven durch ÄDTA maskiert werden.
    Notes: Abstract Organic compounds with polarographically active groups can be determined after separation by thin-layer chromatography on flexible polyester film by means of dc polarography in the presence of the foil. Heavy metal cations, such as Zn2+, derived from the fluorescent material of the stationary phase must be masked by complex formation with EDTA before the current-voltage curve is recorded. Recovery is 〉 95%.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Berlin : Wiley-Blackwell
    Acta Biotechnologica 11 (1991), S. 183-183 
    ISSN: 0138-4988
    Keywords: Life Sciences ; Life Sciences (general)
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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