A transmission line and chromatographic mass spectrometry system

A transmission line and transmission channel technology, applied in the field of instrumentation, can solve the problem that the structure of the transmission line cannot meet the requirements, and achieve the effects of simple structure, space saving and easy air tightness

Active Publication Date: 2017-11-03
NAT INST OF METROLOGY CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the development of mass spectrometers and gas chromatographs, the transmission lines used in conventional chromatography-mass spectrometers cannot meet the requirements in structure

Method used

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  • A transmission line and chromatographic mass spectrometry system
  • A transmission line and chromatographic mass spectrometry system
  • A transmission line and chromatographic mass spectrometry system

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Embodiment Construction

[0030] In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0031] figure 1 It is a schematic diagram of the structure of the transmission line for the chromatograph and mass spectrometer combined system provided by the embodiment of the present invention Figure one Kind of transmission line, see figure 1 , The transmission line is used to connect the chromatograph and the mass spectrometer, a...

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Abstract

The invention discloses a transmission line and a chromatography-mass spectrometry system. The transmission line is used for connecting a chromatograph with a mass spectrometer and comprises a transmission line body, a connecting flange, a vacuum combined joint and a standard sample transmission channel; one end of the transmission line body is connected with the mass spectrometer through the connecting flange, and the other end of the transmission line body is connected with the chromatograph through the vacuum combined joint; the standard sample transmission channel is formed in the connecting flange, a first opening in one end of the standard sample transmission channel is located in the end face, connected with the mass spectrometer, of the connecting flange, and a second opening in the other end of the standard sample transmission channel is located in the outer arc wall of the connecting flange. The end face of the connecting flange is perpendicular to the axis of the connecting flange, and the outer arc wall is perpendicular to the end face of the connecting flange.

Description

Technical field [0001] The invention belongs to the field of instrumentation, and specifically relates to a transmission line and a color-mass combined system. Background technique [0002] Mass spectrometry (MS for abbreviation) is a spectroscopic method that uses electric and / or magnetic fields to separate moving ions according to their mass-to-charge ratios, and then measures the exact mass of the ions to determine the composition of the ions. It is mainly used for compound analysis. Structural identification, such as: structural information such as the molecular weight, element composition, and functional groups of the compound. Mass spectrometers used for mass spectrometry are usually only effective for the detection of pure substances. For mixtures, it is usually required that the components of the mixture be separated first and then detected by a mass spectrometer. Gas chromatography (GC) is a widely used separation method. It uses inert gas as the mobile phase and is b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N30/72
CPCG01N30/7206G01N2030/7226
Inventor 黄泽建方向熊行创江游
Owner NAT INST OF METROLOGY CHINA
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