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Flow injection chemiluminescence detection device and method for measuring inorganic mercury in water body

A detection device, chemiluminescence technology, applied in chemiluminescence/bioluminescence, analysis through chemical reaction of materials, etc., can solve the problems of ozone solution instability, secondary pollution, long analysis duration, etc., to ensure stability No decomposition, high adsorption performance, and high elution efficiency

Active Publication Date: 2015-11-25
OCEANOGRAPHIC INSTR RES INST SHANDONG ACAD OF SCI
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Problems solved by technology

[0005] The invention provides a detection device and method for measuring inorganic mercury in water body by flow injection chemiluminescence, which can solve the problems in the prior art that the ozone solution is unstable and easy to decompose, cannot work on site, the analysis lasts for a long time, the analysis process is complicated, and the conditions are harsh. , high energy consumption, especially secondary pollution and other issues

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  • Flow injection chemiluminescence detection device and method for measuring inorganic mercury in water body
  • Flow injection chemiluminescence detection device and method for measuring inorganic mercury in water body
  • Flow injection chemiluminescence detection device and method for measuring inorganic mercury in water body

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[0041] see figure 1 , figure 2 with image 3 , a detection device for measuring inorganic mercury in water by flow injection chemiluminescence, the detection device includes an ozone generator 3, an ozone solution balance chamber 7, a water sample supplier 10, a blank solution supplier 11, and a complexing agent supplier 12 , an eluent supplier 15, a luminescent reagent supplier 18, pumps 8, 13, 16 for delivering solutions in the above suppliers and a pump 9 for delivering an ozone solution, a three-way sampling valve 24, an enrichment-elution column 14, Detection chamber 21, photoelectric detection device 20, control device 22, data processing device 23, the pipelines of water sample, blank solution and complexing agent are communicated with the inlet end of the three-way sampling valve 24, and the pipeline of eluent is It is connected to the other inlet end of the three-way sampling valve 24, the outlet end of the three-way sampling valve 24 is connected to the inlet of t...

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Abstract

The invention provides a detecting device and method for detecting flow injection chemiluminescence water inorganic mercury, aims to solve the problems that in the prior art, an ozone solution is easy to decompose, on-site operation cannot be performed, analyzing time is long, analyzing process is complicated, conditions are rigorous, energy consumption is high, secondary pollution can be produced and the like. A catalyst of ruthenium trichloride is filled into a dynamic ozone solution balancing pipe; when the ozone solution flows into the dynamic ozone solution balancing pipe, the catalyst of the ruthenium trichloride is irradiated by a fluorescent light, the ozone in the ozone solution is inhibited from generating hydroxyl radicals, the ozone solution is stable and decompose rarely, and stability of the ozone solution is improved. The detecting device used for detecting the inorganic mercury in water has the advantages of scene, rapidness, convenience and flexibility.

Description

technical field [0001] The invention relates to the technical field of environmental chemical monitoring, in particular to a detection device and method for measuring heavy metals in water. Background technique [0002] Mercury is a poisonous metal. Once mercury poisoning occurs, it will cause great damage to the human body. Mercury in water mainly comes from geological and environmental pollution. Mercury is one of the indicators for total discharge control in my country, and it is a must-test item for environmental protection and water quality inspection of urban water supply and drainage systems. my country has strict regulations on mercury content in environmental water bodies, so rapid detection of inorganic mercury in water bodies is realistic. significance. [0003] Years of monitoring results show that the content of inorganic mercury in water is low, which belongs to trace level. If direct measurement requires water sample enrichment process, so in order to obtain ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/76
Inventor 张颖颖刘岩张述伟吴丙伟吴宁褚东志马然曹煊刘东彦郭翠莲张颖王茜石小梅王昭玉范萍萍张国华吕靖张婷曹璐任国兴王洪亮陈朝贵杨小满高杨程岩侯广利
Owner OCEANOGRAPHIC INSTR RES INST SHANDONG ACAD OF SCI
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