Separate combined sampling bottle for collecting water samples containing volatile substances and oxygen-sensitive substances

A volatile substance and oxygen-sensitive technology, applied in the direction of sampling devices, etc., can solve the problems of difficult bottle sealing operation, low fidelity of water sample collection, and easy sampling failure, so as to avoid the interference of human factors, physiological inertia and no Toxic, slow-changing effects

Active Publication Date: 2017-08-25
BEIJING RESEARCH INSTITUTE OF CHEMICAL ENGINEERING AND METALLURGY
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0014] The purpose of the present invention is to provide a separate combined sampling bottle for collecting water samples containing volatile substances and oxygen-sensitive substances, so as to solve the problems of low fidelity of collecting water samples and difficult sealing operation of traditional sampling bottles, which make sampling easy failure problem

Method used

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  • Separate combined sampling bottle for collecting water samples containing volatile substances and oxygen-sensitive substances
  • Separate combined sampling bottle for collecting water samples containing volatile substances and oxygen-sensitive substances
  • Separate combined sampling bottle for collecting water samples containing volatile substances and oxygen-sensitive substances

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Embodiment Construction

[0035] Such as figure 1 Shown, sampling bottle of the present invention is made up of bottle body, bottle cap and protective cap three parts. The bottle body is divided into two parts, an upper bottle body 101 and a lower bottle body 102, and an O-shaped sealing ring is sandwiched between the upper bottle body 101 and the lower bottle body 102.

[0036] The upper bottle body 101 and the lower bottle body 102 are cylinders with the same internal diameter, and the ends of the two are butt joints 105. Internal threads and external threads are set at the butt joints. Through the threaded connection of the butt joints, the upper bottle body and The lower bottle body is joined together to form a straight cylinder. The top of the upper bottle body 101 is provided with a conical inclined shoulder, which becomes the upper conical body of the sampling bottle, and the angle between the inclined plane of the inclined shoulder of the upper bottle body 101 and the horizontal plane is not l...

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Abstract

The invention relates to a split combined sampling bottle for collecting water samples containing volatile substances and oxygen-sensitive substances. The structure includes a bottle body, a bottle cap, a pressing plate and a protective cap; The two parts of the bottle body are threadedly connected, an O-shaped sealing ring is arranged at the joint, and bottlenecks are respectively arranged on the upper bottle body and the lower bottle body. The sampling bottle of the present invention adopts an upper and lower split body structure and an upper and lower bottle mouth structure, which can realize the unique sampling mode of "water inlet from the bottom and exhaust from the top". The interference of human factors is avoided, and the fidelity of the sample is improved; during the water sample collection process, the water surface in the bottle rises steadily and changes slowly, and at the same time, the air in the bottle is discharged until the water overflows, the pressure plate is closed, and the excess water sample is discharged , There will be no extra space in the bottle, and the success rate of one-time sampling is high, which improves the work efficiency.

Description

technical field [0001] The invention relates to a sampling container for water quality research, in particular to a split combined sampling bottle containing water samples of volatile substances and oxygen-sensitive substances. Background technique [0002] The sampling bottles used in the water quality research process are usually glass bottles, and their shape is generally a narrow-mouth bottle, that is, the bottle body part is a thick-diameter cylindrical shape, the bottle mouth part is a thin-diameter cylindrical shape, and the gap between the bottle body and the bottle mouth The transition part is convex toroidal shape. [0003] Sampling bottles are mostly made of glass, and their disadvantages are: first, they are easily broken during handling and transportation; second, for sample bottles containing water samples, after the bottle mouth is sealed, the inside of the bottle is slightly under pressure. State, this just makes between sample vial and sample vial or betwee...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/10
Inventor 温吉利杨明理牛洁颜秀灵王文斌
Owner BEIJING RESEARCH INSTITUTE OF CHEMICAL ENGINEERING AND METALLURGY
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