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Gas chromatography-ion mobility spectroscopy combined-use equipment

A technology of ion mobility spectrometry and gas chromatography, which is applied in the field of gas chromatography-ion mobility spectrometry equipment, can solve the problems of limiting the application range of gas chromatography-ion mobility spectrometry equipment, long analysis time, heavy quality, etc., and achieve broadening Effects of improved usage environment, degree of miniaturization, and portability

Pending Publication Date: 2019-02-05
NUCTECH CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The gas chromatography-ion mobility spectrometry equipment known to the inventor is usually large in size and heavy in weight, and needs to be equipped with a gas source to provide clean chromatographic sample injection carrier gas for the gas chromatography part, and the sampling and sample injection are complicated and the analysis time is long. Limit the application range of gas chromatography-ion mobility spectrometry equipment

Method used

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  • Gas chromatography-ion mobility spectroscopy combined-use equipment
  • Gas chromatography-ion mobility spectroscopy combined-use equipment
  • Gas chromatography-ion mobility spectroscopy combined-use equipment

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Embodiment Construction

[0048]The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work fall within the protection scope of the present invention.

[0049] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the Authorized Specification.

[0050] In the description of the present invention, it shoul...

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Abstract

The invention discloses gas chromatography (GC)-ion mobility spectroscopy (IMS) combined-use equipment. The equipment includes: a gas chromatography device, which is used for pre-separating a to-be-detected sample to form a pre-separated sample; an ion mobility spectroscopy device, which is in fluid communication with an outlet of the gas chromatography device, and is used for detecting the pre-separated sample; and a circulating gas path module, which is in fluid communication with a discharged-gas interface of the ion mobility spectroscopy device, and is used for processing discharged gas discharged by the ion mobility spectroscopy device. The circulating gas path module is also in gas communication with the gas chromatography device, and is used for delivering partial discharged gas tothe gas chromatography device to use the same as carrying gas to enable the to-be-detected sample to enter the gas chromatography device under the driving action of the carrying gas. According to thegas chromatography-ion mobility spectroscopy combined-use equipment, a miniaturization degree and portability are improved.

Description

technical field [0001] The invention relates to the technical field of analysis and detection, in particular to a gas chromatography-ion mobility spectrometry combined device. Background technique [0002] Ion mobility spectrometry (IMS) has the advantages of portability, speed, sensitivity and industrialization, and is widely used in military, national defense, industry, environment and clinical diagnosis and other fields. However, due to the interference of other complex matrices such as water vapor in the detection environment, its ability to identify qualitatively and quantitatively is greatly limited. Gas chromatograph (gaschromatograph, GC) is a widely recognized high-efficiency and high-stability separation tool, and it is widely used in the separation and analysis of gas phase substances. In the art known to the inventors, gas chromatography-ion mobility spectrometry devices already exist. The purpose of gas chromatography-ion mobility spectrometry equipment is to ...

Claims

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Application Information

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IPC IPC(8): G01N30/02G01N30/34G01N30/72
CPCG01N30/02G01N30/34G01N30/72G01N30/7206G01N30/44
Inventor 张清军李元景陈志强朱伟平刘耀红马秋峰李鸽曹彪严李李
Owner NUCTECH CO LTD
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