An ion mobility spectrometer comprising an ioniser for ionising a sample; a detector separated from the ioniser by a drift chamber along which ions can travel from the ioniser toward the detector; a gate for controlling the passage of ions from the ioniser to the drift chamber;an ion modifier arranged between the ioniser and the detector and comprising a first electrode and a second electrode; and a voltage provider configured to provide a time varying voltage between the first electrode and the second electrode wherein the time varying voltage has a frequency of at least 2.5MHz.
申请公布号
WO2015025153(A1)
申请公布日期
2015.02.26
申请号
WO2014GB52540
申请日期
2014.08.19
申请人
SMITHS DETECTION-WATFORD LIMITED;ATKINSON, JONATHAN;CLARK, ALASTAIR;GRANT, BRUCE