Multi-channel water quality colorimetric analyzer based on imaging

A colorimetric analysis, multi-channel technology, applied in the direction of material analysis by optical means, material analysis, analysis by chemical reaction of materials, etc., can solve problems such as lack of versatility, improve detection throughput, improve universality, etc. Sexual, compact effect

Pending Publication Date: 2022-05-24
TSINGHUA UNIV
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  • Abstract
  • Description
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Problems solved by technology

In addition, the colorimetric analysis system using monochromatic light as the light source can only detect absorption peaks of specific wavelengths, which is not versatile enough

Method used

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  • Multi-channel water quality colorimetric analyzer based on imaging
  • Multi-channel water quality colorimetric analyzer based on imaging
  • Multi-channel water quality colorimetric analyzer based on imaging

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Embodiment Construction

[0035] Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present invention will be more thoroughly understood, and will fully convey the scope of the present invention to those skilled in the art.

[0036] It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a," "an," and "the" can also be intended to include the plural forms unless the context clearly dictates otherwise. The terms "comprising", "comprising", "containing" and "having" are inclusive and thus indicate the presence of ...

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Abstract

The invention relates to an imaging-based multi-channel water quality colorimetric analyzer, which comprises a shell adopting a light-proof closed structure; the area array LED light source is used for providing visible light illumination; the high-flux sample pool is arranged below the area array LED light source and is used for containing a water sample to be detected; the transmission light collecting and transmitting device is connected with a light-transmitting area at the bottom of the high-flux sample pool and is used for collecting light transmitted by the water sample to be detected; the light splitting element is used for diffracting and splitting emergent light of the transmission light collecting and transmitting device; and the image identification and data processing unit is used for shooting diffraction images of the light splitting element and identifying and analyzing the shot diffraction light spectrums to realize water quality colorimetric analysis. According to the invention, the detection signal-to-noise ratio and the versatility of colorimetric analysis can be improved.

Description

technical field [0001] The invention relates to a multi-channel water quality colorimetric analyzer based on imaging, in particular to a multi-channel water quality colorimetric analyzer based on Lambert-Beer law and transmission spectrum imaging to invert the concentration of pollutants, and relates to environmental monitoring and analysis field. Background technique [0002] Colorimetric analysis technology occupies a large proportion in the environmental monitoring market. By adding a chromogenic reagent to the water sample to be tested, a chromogenic reaction occurs with specific pollutants, and the degree of absorption of light of a specific wavelength by the chromogenic solution is analyzed, and then the qualitative and quantitative detection of pollutant concentration is realized based on the Lambert-Beer law. According to the way of interpretation of results, colorimetry can be divided into visual colorimetry and photoelectric colorimetry. Visual colorimetry includ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/27G01N21/78G01N21/01
CPCG01N21/27G01N21/78G01N21/01G01N2021/0112Y02A20/20
Inventor 周小红薛博元邢云鹏林勇澍
Owner TSINGHUA UNIV
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