3. Detection

Ion detection in gas source mass spectrometry is based on four inseparable components:

the ionization yield of the species analyzed at the Nier source. This is low (a few percent) and depends on the setting of the source parameters seen previously (U ₁ , U ₂ , U _moy , U _R , I _trap , U _trap , etc.) and on the presence of other particles likely to compete with the analyzed element by capturing all or part of the electron flux emitted by the filament;
the transmission efficiency of the ions produced in the source to the collector(s) via the flight...

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Detection

Bibliography

(1) - BURNARD (P.G.), FARLEY (K.A.) - Calibration of pressure-dependent sensitivity and discrimination in Nier-type noble gas ion sources. - Geochemistry Geophysics Geosystems, 1 (1), p. 1-9 (2000).
(2) - MABRY (J.), BURNARD (P.), BLARD (P.H.), ZIMMERMANN (L.) -...