METHOD FOR ANALYZING IONS BY SPECIFIC CHARGES IN HYPERBOLOID MASS SPECTROMETER OF TYPE "THREE-DIMENSIONAL TRAP" INCLUDING INTRODUCTION OF IONS BEING ANALYZED FROM OUTSIDE Russian patent published in 2006 - IPC H01J49/42 

Abstract RU 2269180 C2

FIELD: hyperboloid mass-spectrometry for developing high-resolution and high-sensitivity devises.

SUBSTANCE: proposed method includes introduction of ions into working space of analyzer near its radial plane, their sorting out according to specific charges, and their delivery to ion detector input; parameters of high-frequency voltage applied to analyzer electrodes (waveform and/or amplitude, and/or frequency) are chosen so as to ensure that working point on one of coordinate axes of ions being analyzed is deep in stabilization zone and on other axis, near intersection point of mass spectrum line and stability zone boundary corresponding to β0 = +1, where β0 is parameter of stability.

EFFECT: enhanced precision of analyzing ions by specific charges.

1 cl, 2 dwg

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RU 2 269 180 C2

Authors

Sheretov Ehrnst Pantelejmonovich

Ivanov Vladimir Vasil'Evich

Karnav Tat'Jana Borisovna

Filippov Igor' Vladimirovich

Dates

2006-01-27Published

2001-08-29Filed