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Gas sampling enrichment device based on nano-fibers and enrichment method thereof

A gas sampling and nanofiber technology, applied in the direction of sampling devices, etc., can solve the problems of long sampling time, low enrichment efficiency, inaccurate sampling volume, etc., and achieve improved detection sensitivity, reliable detection results, and convenient installation and use Effect

Inactive Publication Date: 2013-07-24
SUZHOU XIANWEI NANO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a gas sampling and enrichment device based on nanofiber adsorption, which solves the problems of inaccurate sampling volume, long sampling time and low enrichment efficiency in the enrichment method in the prior art.

Method used

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  • Gas sampling enrichment device based on nano-fibers and enrichment method thereof
  • Gas sampling enrichment device based on nano-fibers and enrichment method thereof
  • Gas sampling enrichment device based on nano-fibers and enrichment method thereof

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Embodiment Construction

[0031] The above solution will be further described below in conjunction with specific embodiments. It should be understood that these examples are used to illustrate the present invention and not to limit the scope of the present invention. The implementation conditions used in the examples can be further adjusted according to the conditions of specific manufacturers, and the implementation conditions not indicated are usually the conditions in routine experiments.

[0032] Example Figure 1~4 As shown, the nanofiber-based gas sampling and enrichment device includes two gas sampling devices 1 and a gas enrichment device 2, and a gas enrichment device 2 connected to the gas sampling device is arranged between the gas sampling devices. Nanofibers 21 enriched in gas components are arranged in the gas enrichment device 2 .

[0033] The gas sampling device 1 includes a gas storage bottle 11 for storing gas. The bottom opening of the gas storage bottle is in control communication...

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Abstract

The invention discloses a gas sampling enrichment device based on nano-fibers, comprising a gas sampling device (1) and a gas enrichment device (2) and characterized in that the gas enrichment device (2) is in control communication with the gas sampling device (1), and the nano-fibers (21) in which gas components are enriched are arranged in the gas enrichment device (2). The device can accurately fix the collection quantity of gas to enable a detection result to be more reliable, can reduce the collection quantity of the gas, in particular gas with less content, can save the time, the labor and the cost and does not need any power system.

Description

technical field [0001] The invention belongs to the technical field of gas analysis, in particular to a sampling and enrichment method based on functional nanofibers, in particular to a pretreatment method and device for enrichment of trace substances in gas samples based on functional nanofibers. Background technique [0002] The collection and detection of trace gas substances in the environment are closely related to human life. On the one hand, there may be toxic and harmful gases with low concentrations but huge hazards in the air, especially in special occupational environments, which need to be detected to meet the national environmental safety standards; on the other hand, low-concentration gas analysis is also required in human production and life. For example, in the breath exhaled from the human mouth, there are some specific gases related to human diseases. Quantitative analysis and detection can be used as quantitative indicators for disease diagnosis and treatm...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/02G01N1/22
Inventor 康韬曲子健
Owner SUZHOU XIANWEI NANO TECH