Title:
METHOD AND SYSTEM FOR REGULATING NUMBER OF IONS IN ION TRAP MASS ANALYZER OF MASS SPECTROMETER
Document Type and Number:
WIPO Patent Application WO/2021/143372
Kind Code:
A1
Abstract:
A method and system for regulating the number of ions in an ion trap mass analyzer of a mass spectrometer (10). The method comprises: introducing ions of a sample to be tested into an ion trap (S101); performing initial mass spectrometry analysis, saving and analyzing each initial parameter, and outputting initial mass spectrum information (S102); analyzing the number of ions that enter the ion trap and are stored, and regulating the number of ions (S103); establishing a relationship model between each initial parameter and the number of ions by means of pre-experiments, and performing gain compensation on spectrum peak intensity obtained after regulation to determine each optimal initial parameter (S104); performing mass spectrometry analysis by using the optimal initial parameters, and outputting a mass spectrum in which the spectrum peak intensity corresponds to a sample concentration (S105).
Inventors:
OUYANG ZHENG (CN)
JIAO BIN (CN)
BU JIEXUN (CN)
LIU XINWEI (CN)
JIAO BIN (CN)
BU JIEXUN (CN)
LIU XINWEI (CN)
Application Number:
PCT/CN2020/132696
Publication Date:
July 22, 2021
Filing Date:
November 30, 2020
Export Citation:
Assignee:
UNIV TSINGHUA (CN)
PURSPEC TECH CHINA INC LTD (CN)
PURSPEC TECH CHINA INC LTD (CN)
International Classes:
H01J49/00
Domestic Patent References:
| WO2017034972A1 | 2017-03-02 |
Foreign References:
| CN111223740A | 2020-06-02 | |||
| CN109003875A | 2018-12-14 | |||
| CN110676150A | 2020-01-10 | |||
| CN106169411A | 2016-11-30 | |||
| CN106486337A | 2017-03-08 | |||
| CN107271575A | 2017-10-20 | |||
| CN107799384A | 2018-03-13 | |||
| CN107065950A | 2017-08-18 | |||
| US20180045679A1 | 2018-02-15 | |||
| CN109103067A | 2018-12-28 | |||
| CN108447762A | 2018-08-24 |
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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