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Sample preconcentrator

A pre-concentrator, sample technology, applied in sampling, instruments, scientific instruments, etc., can solve problems such as the limitation of effective concentration of trace volatile organic compounds, and achieve the effect of improving decomposability and reducing differences

Active Publication Date: 2012-07-25
BIONEER
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the above-mentioned sorbents are limited in effectively concentrating trace VOCs

Method used

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Embodiment Construction

[0035] Hereinafter, a sample preconcentrator according to an exemplary embodiment of the present invention will be described in detail with reference to the accompanying drawings. In addition, components having the same or similar functions and effects in the drawings have the same reference numerals. However, according to the exemplary embodiments of the present invention, for the detailed description of the present invention, it may be considered to omit descriptions of known components and their related arrangements since they may unnecessarily obscure the gist of the present invention. Accordingly, some of the features shown in the drawings may be considered abridged or simplified for reasons of simplicity and the drawings and their parts are not necessarily shown in correct scale. However, it is to be understood that other equivalents and modifications will be apparent to those skilled in the art.

[0036] figure 1 and figure 2 It is a schematic view showing the arran...

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Abstract

There is provided a sample preconcentrator. The sample preconcentrator in which a sample gas injection port is coupled to a dried gas supply source and a gas analysis system to concentrate a sample gas comprises a sample concentrating unit containing an absorbent that is composed of carbon nanotube-metal nanocomplexes; a conduit switching valve for selectively coupling the sample gas injection port to the dried gas supply source and the gas analysis system and controlling the absorption and desorption of the sample gas from the sample concentrating unit; and a plurality of conduits for connecting the sample gas injection port, the dried gas supply source, the gas analysis system, the sample concentrating unit and the conduit switching valve.

Description

technical field [0001] The present invention relates to a sample preconcentrator for adsorbing and desorbing a gas sample, and more particularly, to a sample preconcentrator comprising an adsorbent composed of carbon nanotube-metal nanocomplex. Background technique [0002] Gas sensors are widely used in applications such as industrial safety, environmental monitoring systems, food industry, medical services, and other fields. A type of gas sensor that only senses a specific gas is mainly used in the prior art, however in recent years electronic nose technology has been developed in which gas sensors are arranged in an array pattern to sense a response pattern to odors and odors. [0003] In order to analyze gas samples, such as volatile organic compounds (VOCs), using the above-mentioned gas analysis systems, such as gas sensors, electronic noses, and gas chromatography, a sample preconcentrator that can adsorb and desorb the gas sample is required. [0004] As an example ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/40G01N1/22B82B3/00
CPCG01N35/1097G01N1/405G01N2035/00356
Inventor 朴翰浯李洋源具荣美郑光祐
Owner BIONEER
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