The Isotope Fractionation of Potassium Impurities in Surface Ionization

The Isotope Fractionation of Potassium Impurities in Surface Ionization

The potassium isotopic effect during diffusion trough hot policrystallic tungsten and its evaporation has been investigated mass-spectrometrically. The fractionation factor α = 1,038 has been observed for diffusion of Potassium impurites, while α = 1.021 for evaporation of a potassium sample placed...

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Veröffentlicht in:Isotopenpraxis 1984-01, Vol.20 (5), p.191-193
1. Verfasser: Gladyszewski, L.
Format: Artikel
Sprache:eng
Schlagworte:
diffusion
impurities
isotope effects
isotope ratio
mass spectroscopy
potassium
surface ionization
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Zusammenfassung:The potassium isotopic effect during diffusion trough hot policrystallic tungsten and its evaporation has been investigated mass-spectrometrically. The fractionation factor α = 1,038 has been observed for diffusion of Potassium impurites, while α = 1.021 for evaporation of a potassium sample placed on the surface of a tungsten filament.
ISSN:0021-1915
DOI:10.1080/10256018408545020