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  • Chemistry  (1)
  • 1975-1979  (1)
  • 1977  (1)
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  • 1975-1979  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 319 (1977), S. 762-766 
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Automatic Acquisition of Ionization Efficiency Curves to the Determination of Ionization and Appearance PotentialsIn order to determine ionization and appearance potentials of organic compounds, a scanner was developed, continuously controlling the energy of the bombarding electrons from 30 to 5 eV in about 30 seconds. The automatic acquisition, accumulation and output of ionization efficiency curves with the described system scanner-mass spectrometer-computer requires only one-tenth of the time needed for manual work, thus allowing examination of thermally less stable or extremely volatile compounds.
    Notes: Zur Bestimmung von Ionisations- und Auftrittspotentialen organischer Verbindungen aus Ionenausbeutekurven wurde ein Scangerät entwickelt, das die Energie der Stoßelektronen kontinuierlich von 30 auf 5 eV in ungefähr 30 Sekunden regelt. Gegenüber dem manuellen Verfahren erlaubt das vorgestellte System Scangerät-Massenspektrometer-Rechner eine etwa zehnmal schnellere Erfassung, Akkumulation und Ausgabe von Ionenausbeutekurven und damit auch die Untersuchung von thermisch wenig stabilen oder schnell verdampfenden Verbindungen.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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