Discharge suppression system for a double focusing, atmospheric pressure ionization mass spectrometer

Abstract
An electrical discharge suppression system for a medium throughput (∼2 l/s) pumping line has been devised that works up to potentials of ±15 kV. This device permits atmospheric pressure ionization sources to be interfaced to high-resolution, magnetic sector mass spectrometers with source potentials of 6–10 kV.

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