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Gaseous mercury capturing device

A technology of gaseous mercury and gold wire, applied in the direction of sampling devices, etc., can solve the problems of reducing the adsorption capacity of mercury trapping devices to gaseous mercury, uncertain factors of mercury analysis data, and the reduction of gaseous mercury adsorption capacity, so as to improve the credibility , The analysis data is true and reliable, and the effect of increasing the number of times of use

Active Publication Date: 2017-10-31
CHINA PETROLEUM & CHEM CORP +1
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Problems solved by technology

However, after using the mercury trapping device for several times, the golden silk cluster tends to shrink and shake, which will reduce the adsorption capacity of the mercury trapping device for gaseous mercury, and easily cause uncertainties in the analysis data of mercury
[0004] Therefore, how to solve the problem that the adsorption capacity of gaseous mercury is reduced after the existing mercury trapping device is used several times is a technical problem that those skilled in the art need to solve

Method used

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  • Gaseous mercury capturing device
  • Gaseous mercury capturing device
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Embodiment Construction

[0025] The present invention will be further described below in conjunction with accompanying drawing.

[0026] Such as figure 1 As shown, the gaseous mercury mercury trapping device of the present invention includes a tube body 3 and a gold wire 2 arranged in the tube body 3 and supported by a limiting support. Wherein, after the position-limiting support is set, the gaseous mercury can still be in contact with the gold wire 2, so that the gold wire 2 can absorb the gaseous mercury, so that the measurement of the gaseous mercury can be completed. Moreover, the melting point of the limiting support is higher than the melting point of the gold wire 2 . In this way, when mercury is desorbed at high temperature, after the gold wire 2 in the high temperature environment becomes soft, it can still limit and support the gold wire 2 through the limiting support body, reducing the possibility of deformation and displacement of the gold wire 2, reducing the There is no possibility of...

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Abstract

The invention relates to a gaseous mercury capturing device which comprises a pipe and a gold wire arranged in the pipe through a limiting support, wherein the melting point of the limiting support is higher than the melting point of the gold wire; and due to the construction of the limiting support, the gaseous mercury can be in contact with the gold wire, so that the gaseous mercury can be adsorbed by the gold wire. According to the invention, the possibility of the change in density on each position caused by the deformation of the gold wire can be controlled and the consistent density of the gold wire on each position can be guaranteed, so that the capability of adsorbing and releasing the mercury after the repeated use of the gaseous mercury capturing device can be guaranteed and the use times of the mercury capturing device can be increased; the reproducibility is high; the analysis data is true and reliable; the reliability of geological interpretation is promoted; the volume is small; and the gaseous mercury capturing device is portable.

Description

technical field [0001] The invention relates to the technical field of mercury trapping devices, in particular to the structural improvement of a mercury trapping device for gaseous mercury. Background technique [0002] The soil gas mercury and atmospheric mercury collection technology currently used in geochemical exploration is mainly through the capture (enrichment) of mercury, and the mercury after capture (enrichment) is completely released by chemical or heating methods for instrumental measurement . Currently, mercury capture devices are usually used for mercury capture. There is a gold wire in the mercury trapping device, and gold amalgam is formed by using gold to adsorb gaseous mercury, and then the mercury trapping device is heated at a high temperature to release mercury, and then the instrument can be measured. [0003] The mercury trapping device includes a tube body and gold wires arranged in the tube body. The middle part of the tube body is provided with...

Claims

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Application Information

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IPC IPC(8): G01N1/22
CPCG01N1/22
Inventor 李吉鹏王国建黄欣汤玉平朱怀平陈浙春
Owner CHINA PETROLEUM & CHEM CORP
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