Abstract
Experiences are described with Geiger-counters for ion-detection in combination with a solid source mass spectrometer of the 600-sector field type and about practice of this apparatus for trace analysis of some alcali metals. The sensitivity for caesium has been found of the order of a few 10−19 g, while the high sensitivity of the method for the other elements seems to be of merely theoretical interest on account of the inevitable contaminations.
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Herrn Prof. F.Kirchner zum 70. Geburtstag gewidmet.
Teilweise vorgetragen auf der Tagung der Arbeitsgemeinschaft Massenspektroskopie der Deutschen Physikalischen Gesellschaft am 21. April 1965 in Würzburg.
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Kremer, J. Über den massenspektrometrischen Nachweis von extrem kleinen Alkalimengen. Z. Physik 199, 94–97 (1967). https://doi.org/10.1007/BF01326018
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DOI: https://doi.org/10.1007/BF01326018