RU2005134500A - METHOD OF ANALYSIS IN A HYPERBOLOID MASS SPECTROMETER TYPE "THREE-DIMENSIONAL ION TRAP" - Google Patents

METHOD OF ANALYSIS IN A HYPERBOLOID MASS SPECTROMETER TYPE "THREE-DIMENSIONAL ION TRAP" Download PDF

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RU2005134500A
RU2005134500A RU2005134500/28A RU2005134500A RU2005134500A RU 2005134500 A RU2005134500 A RU 2005134500A RU 2005134500/28 A RU2005134500/28 A RU 2005134500/28A RU 2005134500 A RU2005134500 A RU 2005134500A RU 2005134500 A RU2005134500 A RU 2005134500A
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Russia
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analysis
mass spectrometer
voltage
ions
trap
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RU2005134500/28A
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Russian (ru)
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RU2308117C2 (en
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Эрнст Пантелеймонович Шеретов (RU)
Эрнст Пантелеймонович Шеретов
Владимир Васильевич Иванов (RU)
Владимир Васильевич Иванов
Тать на Борисовна Карнав (RU)
Татьяна Борисовна Карнав
Александр Евгеньевич Малютин (RU)
Александр Евгеньевич Малютин
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Эрнст Пантелеймонович Шеретов (RU)
Эрнст Пантелеймонович Шеретов
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Priority to RU2005134500/28A priority Critical patent/RU2308117C2/en
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Claims (1)

Способ анализа в гиперболоидном масс-спектрометре типа "трехмерная ионная ловушка", по которому в рабочий объем ловушки, к электродам которой прикладывается ВЧ напряжение, вводят ионы, накапливают там, при этом рабочие точки анализируемых ионов располагают в стабильной области общей диаграммы стабильности, и выводят накопленные ионы из объема ловушки в детекторную систему путем перевода их рабочих точек в нестабильную область изменением параметров электрического поля, отличающийся тем, что ввод ионов в объем ловушки осуществляют одновременно с изменением во времени амплитуды и частоты ВЧ напряжения, причем амплитуду и частоту ВЧ напряжения изменяют во времени таким образом, чтобы рабочая точка анализируемого иона на диаграмме стабильности не изменяла своего положения
Figure 00000001
, где U(t) - амплитуда,
Figure 00000002
- частота ВЧ напряжения.
The method of analysis in a hyperboloid mass spectrometer of the type "three-dimensional ion trap", in which ions are introduced into the working volume of the trap to the electrodes of which an RF voltage is applied, accumulate there, while the working points of the analyzed ions are placed in a stable region of the general stability diagram, and output accumulated ions from the trap volume into the detector system by transferring their operating points to the unstable region by changing the electric field parameters, characterized in that the ions are introduced into the trap volume in one with a change in time of the amplitude and frequency of the RF voltage, the amplitude and frequency of the RF voltage changing in time so that the operating point of the analyzed ion on the stability diagram does not change its position
Figure 00000001
where U (t) is the amplitude,
Figure 00000002
- frequency of the RF voltage.
RU2005134500/28A 2005-11-07 2005-11-07 Analyzing method using hyperboloid mass spectrometer of three-dimensional ion trap type RU2308117C2 (en)

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RU2308117C2 RU2308117C2 (en) 2007-10-10

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