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Aquatic organism toxicity experiment device for researching organic pollutants in shallow groundwater

A technology of organic pollutants and aquatic organisms, applied in the field of aquatic toxicity research, can solve problems such as inability to flexibly adjust experimental variables and restrict experimental research on aquatic toxicity, and achieve the effect of improving sealing performance

Active Publication Date: 2021-06-01
NANJING INST OF ENVIRONMENTAL SCI MINIST OF ECOLOGY & ENVIRONMENT OF THE PEOPLES REPUBLIC OF CHINA
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Problems solved by technology

However, the existing aquatic organism toxicity experiment equipment is very inconvenient in the process of use, and the experimental variables cannot be flexibly adjusted according to the needs, which seriously restricts the experimental research on the toxicity of organic pollutants in shallow groundwater to aquatic organisms.

Method used

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  • Aquatic organism toxicity experiment device for researching organic pollutants in shallow groundwater
  • Aquatic organism toxicity experiment device for researching organic pollutants in shallow groundwater
  • Aquatic organism toxicity experiment device for researching organic pollutants in shallow groundwater

Examples

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experiment example

[0045]1. The soil shallow groundwater collected from the dangerous goods warehouse workshop, the chlorinated paraffin workshop and three different areas outside the factory area are numbered A1, A2 and A3; the experimental organisms are Fisher Vibrio, artificially raised adult zebrafish and their embryos purchased from the Model Organism Research Center of Nanjing University;

[0046] 2. Put the three water samples A1, A2 and A3 into three experimental sample storage boxes 2 respectively, and mix Milli-Q ultrapure water and 60mg.L -1 The NaCl solution is placed in two nutrient solution storage cylinders 4 respectively, Milli-Q ultrapure water, 60mg.L -1 The NaCl solution and the three water samples A1, A2 and A3 are correspondingly put into three culture solution storage cylinders 4, and the culture solution of the required concentration is configured;

[0047] Three, Vibrio Fischer is cultivated on the cell culture plate 500 in the first experimental box 50, and zebrafish ad...

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Abstract

The invention discloses an aquatic organism toxicity experiment device for researching organic pollutants in shallow groundwater. The aquatic organism toxicity experiment device comprises an experiment rack, an experiment sample storage box, a diluent storage box, a culture solution storage cylinder, an experiment box, a concentration detector and a controller, the experiment sample storage box and the diluent storage box are arranged at the upper end in the experiment rack, the culture solution storage cylinder is arranged in the experiment rack and located at the lower end of the experiment sample storage box, the culture solution storage cylinder is communicated with the experiment sample storage box and the diluent storage box through guide pipes, and the experiment box is arranged at the lower end in the experiment rack and is communicated with the culture solution storage cylinder through a guide pipe. The concentration detector is arranged on the side wall of the experiment rack, and a detection probe of the concentration detector is arranged in the culture solution storage cylinder; the controller is electrically connected with the concentration detector; the device is reasonable in structural design, convenient to operate, high in reliability and suitable for large-scale popularization.

Description

technical field [0001] The invention relates to the technical field of aquatic organism toxicity research, in particular to an aquatic organism toxicity experimental device for studying organic pollutants in shallow groundwater. Background technique [0002] With the rapid development of my country's economy, environmental problems have become increasingly prominent, and the scope, degree and number of relocated or abandoned organic pollution sites are showing an upward trend. If these legacy sites are not managed and restored effectively, there will be great potential harm to soil, surface water, ground water and the surrounding environment. At present, site pollution investigations are usually based on chemical tests, which are difficult to intuitively and comprehensively reflect the comprehensive impact of various toxic and harmful substances on the surrounding environment or organisms. Therefore, it is necessary to carry out biotoxicity diagnosis research on the pollute...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/18
CPCG01N33/186
Inventor 周艳万金忠李群靳德成王祥赵远超
Owner NANJING INST OF ENVIRONMENTAL SCI MINIST OF ECOLOGY & ENVIRONMENT OF THE PEOPLES REPUBLIC OF CHINA
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