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Transmission line and chromatography-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, easy air tightness and easy processing

Active Publication Date: 2016-08-17
NAT INST OF METROLOGY CHINA
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  • Abstract
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  • 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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  • Transmission line and chromatography-mass spectrometry system
  • Transmission line and chromatography-mass spectrometry system
  • Transmission line and chromatography-mass spectrometry system

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Embodiment Construction

[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0031] figure 1 It is a structural schematic diagram of a transmission line used in a chromatograph and mass spectrometer coupled system provided by an embodiment of the present invention Figure 1 transmission line, see figure 1 , the transmission line is used to connect the chromatograph and the mass spectrometer, including: a transmissio...

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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 instruments and meters, and in particular relates to a transmission line and a color-mass coupling system. Background technique [0002] Mass spectrometry (MS for short) is a spectroscopic method that uses electric and / or magnetic fields to separate moving ions according to their mass-to-charge ratios, and then determines the compound composition of ions by measuring the accurate mass of ions. It is mainly used for the identification of compounds. Structural identification, such as structural information such as molecular weight, elemental composition, and functional groups of compounds. Mass spectrometers used for mass spectrometry are generally only effective for the detection of pure substances. For a mixture, it is usually necessary to separate the components of the mixture first and then detect each component separately by a mass spectrometer. Gas chromatography (GC for short) is a widely used separation met...

Claims

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Application Information

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Patent Type & Authority Applications(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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