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A liquid changing device used for a spectrophotometer colorimetric ware

A spectrophotometer and cuvette technology, which is applied in measuring devices, analyzing materials, and analyzing materials through optical means, and can solve problems affecting the accuracy of test results, liquid contamination of cuvettes, and easily damaged cuvettes. , to achieve significant anti-pollution effect, convenient operation, labor-saving, and pollution-avoiding effects

Inactive Publication Date: 2017-02-15
中国林业科学研究院热带林业实验中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The object of the present invention is to provide a kind of liquid changing device that is used for spectrophotometer cuvette, thus overcomes that cuvette easily causes liquid to contaminate the outside of cuvette when changing liquid, and the existing method of wiping and removing liquid is easy to produce pollution, The cuvette is easily damaged, which affects the accuracy of the test results and reduces the shortcomings of the test efficiency

Method used

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  • A liquid changing device used for a spectrophotometer colorimetric ware
  • A liquid changing device used for a spectrophotometer colorimetric ware

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Embodiment Construction

[0022] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0023] Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations thereof such as "includes" or "includes" and the like will be understood to include the stated elements or constituents, and not Other elements or other components are not excluded.

[0024] like Figure 1 to Figure 2 Shown, according to a kind of liquid changing device that is used for spectrophotometer cuvette according to the specific embodiment of the present invention, cuvette 1 is arranged on the cuvette stand 2 of spectrophotometer, is provided with limit position on the cuvette stand Frame 21, the limit frame 21 is in the shape of "□", and the inner side of the frame is 1-2 mm longer than the ou...

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Abstract

A liquid changing device used for a spectrophotometer colorimetric ware is disclosed. The colorimetric ware is disposed on a colorimetric ware table. The liquid changing device includes a micro liquid pumping device. The micro liquid pumping device includes a liquid pumping pipe one end of which is put into a liquid to be detected, a micro liquid pumping pump connected to the other end of the liquid pumping pipe, and a liquid discharging pipe one end of which is connected to the micro liquid pumping pump and the other end of which faces the opening of the colorimetric ware. The liquid changing device overcomes ware pollution caused by the liquid to be detected and persons during liquid feeding and discharging of the colorimetric ware, and avoids repeated colorimetric ware wiping that is tedious, and therefore the colorimetric ware is dry and clean during detection, detection accuracy and the detection efficiency are increased, damage to the colorimetric ware in a colorimetric ware wiping process is avoided, and safety of the colorimetric ware and instruments is maintained.

Description

technical field [0001] The invention relates to the field of spectrophotometer instruments, in particular to a liquid changing device for a spectrophotometer cuvette. Background technique [0002] Spectrophotometer is a commonly used instrument for laboratory quantitative detection. It is sensitive and easy to operate. It is widely used in the detection and analysis of many industries such as food, agriculture and forestry, pharmaceuticals, chemicals, and environmental protection. During the detection process using a spectrophotometer, the use, cleaning and maintenance of the cuvettes used directly affect the detection accuracy and reproducibility. In order to avoid errors and ensure accurate test results, it is usually required to pinch the rough surface of the cuvette by hand. Before testing, the inside of the cuvette is cleaned with the test solution for three or four times, then poured into the test solution, and then placed in the cuvette. During the test, it is requir...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/11
CPCG01N21/11
Inventor 李朝英郑路
Owner 中国林业科学研究院热带林业实验中心
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