FIELD: spectrometry.
SUBSTANCE: invention relates to spectrometry. Systems and methods for cleaning the corona point are described. Controller is functionally connected to the corona point to control its operation. Controller and the corona point are included in, for example, an ion mobility spectrometry (IMS) system. Controller is used to operate the corona point at the operating voltage during the first time interval with an additional higher pulse voltage or without it to create a corona discharge and for the operation of the corona point at the cleaning voltage greater than the operating voltage during the second time interval following the first time interval to create the corona discharge.
EFFECT: technical result is an increase in the efficiency of the corona point.
23 cl, 2 dwg
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