A Membrane Inlet for a Portable Mass Spectrometer

V. T. Kogan, O. S. Viktorova, G. Yu. Gladkov, Yu. V. Chichagov, and Yu. V. Tubol’tsev

Ioffe Physicotechnical Institute, Russian Academy of Sciences,
Politekhnicheskaya ul. 26, St. Petersburg, 194021 Russia

Received April 6, 2000

Abstract—A system of membrane injection of a sample into a portable mass spectrometer which is used for
determining the concentration of organic components in complex mixtures is described. Spectra of samples
containing alkanes from methane to hexane have been measured. The data obtained using the membrane and
diaphragm inlets to are compared. The potentialities of membrane inlets for portable mass spectrometers
intended for environmental and process monitoring are shown.

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