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Mass spectrum system and measurement method thereof

A mass spectrometry system and measurement method technology, applied in mass spectrometers, measuring devices, accelerator mass spectrometers, etc., can solve the problem that the mass spectra of four ions cannot be measured at the same time, so as to improve the measurement sensitivity, reduce the detection line, and improve the measurement accuracy Effect

Pending Publication Date: 2022-02-25
启先核(北京)科技有限公司
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Problems solved by technology

[0005] All current MS cannot measure the mass spectra of the above four ions at the same time

Method used

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  • Mass spectrum system and measurement method thereof
  • Mass spectrum system and measurement method thereof
  • Mass spectrum system and measurement method thereof

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Embodiment Construction

[0029] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0030] The invention discloses a mass spectrometry system, which realizes the measurement of real mass spectra, and can greatly improve the measurement sensitivity, improve the measurement accuracy, reduce the detection line, reduce the measurement error, reduce the measurement time and the like.

[0031] Such as figure 1 As shown, the mass spectrometry system includes four subsystems, specifically the ion source subsystem, the ion accelerator subsystem, the high-energy analyzer subsystem, and the particle identification and detector subsystem. The ion source subsystem, the ion accelerator subs...

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Abstract

The invention provides a mass spectrum system and a measurement method thereof. The mass spectrum system comprises an ion source subsystem, an ion accelerator subsystem, a high-energy analyzer subsystem and a particle identification and detector subsystem which are connected in sequence. The ion source subsystem comprises a sample injector component and a super-strong ionization ion source component connected with the sample injector component; the high-energy analyzer subsystem comprises an analyzer component connected with the ion accelerator subsystem and a beam measurement component connected with the analyzer component; and the detector subsystem comprises a thin film connected with the beam measurement component and a detector connected with the thin film. Interference of molecular ions is eliminated by adopting a super-strong ionization technology; the size of the atomic number Z can be detected by adopting a particle identification technology, so that the same amount of ectopic ions and the information of ions with different mass numbers but the same M / q, namely ZM / q information, are obtained, and finally, the real mass spectrum measurement is realized.

Description

technical field [0001] The invention relates to the technical field of a mass spectrometer, in particular to a mass spectrometer system and a measurement method thereof. Background technique [0002] Since the advent of the mass spectrometer (MS, Mass Spectrograph) in 1910, all MS (including magnetic mass spectrometry, quadrupole and time-of-flight, etc.) measurement results are mass-to-charge ratio (M / q) spectra, not real mass spectra . [0003] In a same M / q spectrum, it mainly includes four different ions, the first is the ion of the nuclide to be measured; the second is the isobaric ion of the nuclide to be measured; the third is the ion with the nuclide to be measured Measure the molecular ion with the same mass number of the nuclide; the fourth is an ion with a different mass number from the nuclide to be measured but the same M / q (both the mass number and the charge state are integer multiples of the nuclide to be measured). [0004] For example, the measurement of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/62
CPCG01N27/62H01J49/0086H01J49/0031H01J49/10H01J49/26
Inventor 姜山
Owner 启先核(北京)科技有限公司
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