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Developing agent for copper ion colorimetric method, copper ion colorimetric method sensor, and using method and application thereof

A copper ion, colorimetric technology, applied in the field of heavy metal detection, to achieve the effect of low cost and ultra-high sensitivity

Pending Publication Date: 2018-02-02
CHINESE ACAD OF INSPECTION & QUARANTINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the copper ion colorimetric sensor based on the photocatalytic reduction of quantum dots has not been reported

Method used

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  • Developing agent for copper ion colorimetric method, copper ion colorimetric method sensor, and using method and application thereof
  • Developing agent for copper ion colorimetric method, copper ion colorimetric method sensor, and using method and application thereof
  • Developing agent for copper ion colorimetric method, copper ion colorimetric method sensor, and using method and application thereof

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Experimental program
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Embodiment 1

[0058] Such as figure 2 , Figure 4 As shown, the copper ion colorimetric sensor of the present embodiment includes a housing 1, a reaction vessel 3 and a light source 2;

[0059] The light source 2 and the reaction container 3 are arranged in the casing 1;

[0060] The reaction vessel 3 is a white ceramic cuvette 3a, the reaction vessel 3 is located at the inner bottom of the housing 1, and the light source 2 is located above the reaction vessel 3;

[0061] The white ceramic cuvette 3a is provided with 6 reaction tanks 5;

[0062] The light source 2 is a 254nm ultraviolet lamp with a power of 10W.

Embodiment 2

[0064] Such as Figure 5 As shown, the difference between the copper ion colorimetric method sensor of the present embodiment and the embodiment 1 is: the reaction vessel 3 of the present embodiment is a transparent glass colorimetric tube 3b, and the transparent glass colorimetric tube 3b is provided with 6 reaction Slot 5.

Embodiment 3

[0066] The copper ion colorimetric sensor of this embodiment differs from that of Embodiment 1 in that the light source 2 of this embodiment is the sun.

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Abstract

The invention discloses a developing agent for a copper ion colorimetric method, a copper ion colorimetric method sensor, and a using method and application thereof, belongs to the technical field ofheavy metal detecting, and aims to provide the copper ion colorimetric method and the copper ion colorimetric method sensor which are low in cost and easy to operate and do not require detecting equipment, and the using method and the application of the copper ion colorimetric method. The developing agent used for the copper ion colorimetric method disclosed by the invention comprises quantum dotsolution, wherein the quantum dot solution is aqueous solution of quantum dots. The copper ion colorimetric method sensor comprises a shell, a reaction container and a light source; the light source and the reaction container are arranged in the container; the reaction container are positioned at the bottom in the shell; the light source is positioned above the reaction container; a plurality of reaction grooves are formed in the reaction container; the light source contains ultraviolet light with the wavelength of less than 350 nm. The copper ion colorimetric method sensor provided by the invention is low in cost and easy to operate; qualitative detection can be performed without the detecting equipment; the sensitivity is ultrahigh.

Description

technical field [0001] The invention belongs to the technical field of heavy metal detection, and in particular relates to a colorimetric sensor (colorimetric sensor) for detecting copper ions, a production method and application thereof. Background technique [0002] Copper is an element that exists widely in nature and is also an essential trace element in the human body, which plays an important role in the metabolism of the human body. When the human body does not take enough copper, it can cause deficiency diseases, but if it is taken too much, it may cause poisoning, and even cause death in severe cases. Due to the mining of copper-zinc mines, metal processing, electroplating process, machinery manufacturing, and the discharge of domestic sewage and domestic waste, the pollution caused by copper to the environment has become increasingly serious. At present, there are strict requirements on the level of copper ions in the environment at home and abroad. For example, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/33G01N21/78
CPCG01N21/33G01N21/78G01N2021/775
Inventor 李海玉张庆白桦吕庆王婉王志娟
Owner CHINESE ACAD OF INSPECTION & QUARANTINE
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