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A degassable cuvette

A cuvette and degassing technology, applied in the field of spectral analysis, can solve the problems of cuvette body bursting, cumbersome operation, uneven force, etc., and achieve the effects of reducing test interference, scientific and reasonable size, and easy operation

Active Publication Date: 2021-08-17
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally, the degassing process needs to transfer the sample into the glove box, which is cumbersome to operate
[0004] The shape of the cuvette is a cuboid. The usual degassing process requires cooling the liquid sample into a solid and then pumping it. If the cuvette body is directly placed in liquid nitrogen, the liquid will condense into a solid in the cuboid. Uneven force will cause the cuvette body to burst
After searching, there is no report on the object or patent of the degassable cuvette that can realize the transfer of the liquid sample in the cuboid cuvette body through the spherical chamber, thereby realizing the fast and convenient operation of the liquid sample

Method used

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Embodiment Construction

[0020] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation.

[0021] Such as figure 1 Shown is a specific embodiment of the present invention, a cuvette that can be degassed, including a cuvette body 1 , a quartz tube 2 , a vacuum valve 3 , a quartz tube 4 , and a spherical chamber 5 . The cuvette body 1 is set in the shape of a cuboid and is made of quartz material; the top of the cuvette body 1 is connected to the quartz tube 2, and the quartz tube is set in a cylindrical shape to facilitate the flow of the sample, which is beneficial to the connection between the quartz tube and the upper and lower sides. position; the top of the quartz tube 2 is connected to the vacuum valve 3 through the 3-3 vacuum valve internal interface, and the vacuum valve exhaust port 3-1 can be connected to an external air pump; the vacuum valve valve port 3-2 is set to The threaded shape facilitates the fixing o...

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Abstract

The invention discloses a degassable cuvette, which is composed of a cuvette body for testing samples, a spherical chamber, a vacuum valve and a quartz tube connecting them; wherein the cuvette body is covered by a quartz tube (2 ) is connected with the vacuum valve, and the quartz tube (2) at the lower end of the vacuum valve is connected with another quartz tube at right angles to it, and the quartz tube (4) is connected with a spherical warehouse. The cuvette of the present invention can conveniently and effectively remove the air in the sample to be detected without the need of a glove box, so as to avoid the detection error caused by the air contained in the spectrum detection, so as to better perform the spectrum detection. detection. Experiments prove that using the cuvette sample detection operation of the invention is simple, the result is good, and the cost is low.

Description

technical field [0001] The invention relates to a colorimetric vessel, in particular to a degassable colorimetric vessel. It belongs to the technical field of spectral analysis. Background technique [0002] The cuvette, also known as the absorption cell, is an important accessory of the spectral analysis instrument. It is used to hold the sample solution and reference solution when performing quantitative or qualitative analysis of substances. It is widely used in chemical industry, medical treatment, metallurgy, food, environmental protection, hydropower And petroleum and other industries, as well as the testing and testing of colleges and universities and scientific research institutes. Cuvettes are generally made of quartz glass and optical glass, which are made by high-temperature fusion and high-temperature sintering of glass powder. [0003] The influence of the use of air contrast cuvettes: When many organic samples are subjected to spectral analysis, air will be d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/01G01N21/31G01N1/42G01N1/34
CPCG01N1/34G01N1/42G01N21/01G01N21/31G01N2021/0112
Inventor 刘志强周森浩芦青周士敏于晓强
Owner SHANDONG UNIV
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