Yu. I. Khasin, A. S. Berdnikov, L. N. Gall
Institute for Analytical Instrumentation RAS, Saint-Petersburg
A comparative theoretical analysis
of ion sources used in the MI1201AGM (Selmi, Ukraine) and MAT281 (Finnigan,
Germany) mass spectrometers is presented. These mass spectrometers a designed
for isotopic gas phase analysis of substances introduced in the form of
a molecular beam. The analysis is carried on by mathematical modeling using
an original procedure of ion beam matching to the magnetic analyzer's acceptance.