Sampler for measuring gaseous mercury released from soil

A gaseous mercury and soil technology, applied in the direction of sampling devices, etc., can solve the problems of sampling gas loss, insufficient actual sample gas volume, and lower pressure of the bottle body, and achieve the effect of reducing analysis errors

Inactive Publication Date: 2013-09-11
中国地质科学院地球物理地球化学勘查研究所
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a sampling bottle for measuring the release of gaseous mercury from the soil, which overcomes the relatively small amount of gas samples extracted by using a syringe to pierce the rubb

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  • Sampler for measuring gaseous mercury released from soil

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Embodiment Construction

[0015] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0016] Such as figure 1 As shown, the present invention includes a bottle body and a rubber plug 5 matched with the bottle body, the rubber plug 5 is provided with a sampling tube 1, an air inlet tube 2, an inert gas inlet tube 4, and the sampling tube 1, air inlet tube Trachea 2 and inert gas inlet pipe 4 are connected to the gas inside and outside the bottle, and the end of the air inlet pipe 2 extending into the bottle body is provided with a silica gel air bag 3 . Described sampling pipe 1, air inlet pipe 2, inert gas inlet pipe 4, rubber plug 5 materials all do not react with mercury, wherein sampling pipe, air inlet pipe, inert gas inlet pipe are Teflon material, air bag, rubber The plug is made of silica gel...

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Abstract

The invention relates to a sampling bottle for measuring soil release gaseous mercury. The sampling bottle comprises a bottle body and a rubber plug matched with the bottle body, wherein a sampling pipe, an air inlet pipe and an inert gas inlet pipe are arranged on the rubber plug; the sampling pipe, the air inlet pipe and the inert gas inlet pipe are respectively communicated with the interior of the bottle body and are used for connecting gas inside and outside the bottle body; and airbag is arranged at one end of the air inlet pipe inserted into the bottle body. According to the sampling bottle, when the same amount of soil sample is tested, a large amount of gas samples can be collected, and the analytic error is reduced; sampling is directly performed at the sampling pipe orifice, and gas loss is avoided; and moreover, due to the airbag, the phenomenon that the actual sample gas amount is reduced due to the reduction of air pressure in the bottle body is avoided because the outside air enters the airbag to balance the air pressure in the bottle during sampling.

Description

technical field [0001] The present invention relates to a sampler, in particular to a sampler for measuring gaseous mercury released from soil. Background technique [0002] The research on soil mercury release needs to carry out bottle simulation test on soil samples. Since there is no special sampling equipment, when collecting gas samples in the bottle, the method of puncturing the rubber stopper with a syringe is generally used to extract the gas. However, this sampling method has at least three obvious Disadvantages: first, the amount of gas sample is relatively small, and the analysis error is large; second, the inner wall of the syringe will absorb the sample gas, resulting in the loss of sample gas; third, the actual sample gas volume is not enough due to the decrease of the air pressure in the bottle during sampling. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a sampling bottle for measuring the rele...

Claims

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Application Information

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IPC IPC(8): G01N1/24
Inventor 刘飞成杭新
Owner 中国地质科学院地球物理地球化学勘查研究所
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