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Massenspektrograph

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by

Stefan Titze

on 11 March 2013

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Transcript of Massenspektrograph

E B 1 m1 m2 m3 Das Prinzip des
Massenspektrographen B 2 + - Massenspektroskopie Die Geschichte basiert auf Hypothese von William Prout (19. Jahrhundert)
"Die Masse ist eine Eigenschaft des Atoms"
E. Goldstein und W. Wien erkannten Ablenkung durch Felder (1886) J. J. Thomson stellt erste korrekte Gleichungen auf (m; v; r) Erfindung: Massenspektroskop Schüler: F. W. Aston
1919: erstes funktionierendes Massenspektrometer Nobelpreis Ionenquelle neutrales Gas-Atom Elektronen positive Ionen Geschwindigkeitsfilter
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