On-line enrichment system of organic pollutants in water body

A technology for the enrichment of organic pollutants, applied in the preparation of test samples, etc., can solve the problems of amplification of toxic effects, heavy workload, time-consuming, etc., to achieve convenient operation, improve work efficiency, improve repeatability and stability Effect

Inactive Publication Date: 2010-06-09
NATIONAL MARINE ENVIRONMENTAL MONITORING CENTRE
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Problems solved by technology

[0002] Ultra-trace organic pollutants existing in seawater, such as polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs) and organochlorine pesticides (OCPs), etc., although their content is very low, they have been in this state for a long time There is a toxic effect on organisms in this environment, and this toxic effect may also be amplified through the food chain, so it is necessary to monitor the content of organic pollutants in the water at any time
Now, when it is necessary to monitor the seawater to be measured, manual sampling is required, and then the sample water body is enriched through the enrichment device, and after enrichment, the elution p

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  • On-line enrichment system of organic pollutants in water body
  • On-line enrichment system of organic pollutants in water body

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[0016] The specific implementation manner of the present invention will be described below with reference to the accompanying drawings. Such as figure 1 Shown: an online enrichment system for organic pollutants in water, which is composed of a collection device 1, an enrichment device 2, an eluting device 36, an online concentration device 3 and an automatic sampling device 4 connected in sequence. The water body to be tested enters the enrichment device 2 after passing through the collection device 1 for enrichment, and then undergoes an elution process under the action of the elution device 36, and the eluted water body sample enters the online concentration device 3 and is concentrated to the required concentration. After the concentration is distributed to the detection device by the automatic sampling device 4, the online enrichment work of a water body sample is completed;

[0017] The following will describe its working process in conjunction with the specific structur...

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Abstract

The invention discloses an on-line enrichment system of organic pollutants in a water body. The on-line enrichment system is characterized by comprising an acquisition device (1) which is communicated with an enrichment device (2); the enrichment device (2) is connected with an elution device (36); and the outlet end of the enrichment device (2) is connected with an inlet of an on-line concentration device (3) which is communicated with an automatic sample introduction device (4). The on-line enrichment system of the organic pollutants in the water body has skillful structure and convenient operation, can realize the modularly and automatic detection, organically integrate various steps for detecting the organic pollutants in the water body into a whole and can save a large amount of timeand labor.

Description

technical field [0001] The invention relates to an online enrichment system for organic pollutants in water, which can perform steps such as sampling, enrichment, elution, online concentration, and automatic sampling. Background technique [0002] Ultra-trace organic pollutants existing in seawater, such as polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs) and organochlorine pesticides (OCPs), etc., although their content is very low, they have been in this state for a long time There is a toxic effect on organisms in this environment, and this toxic effect may also be amplified through the food chain, so it is necessary to monitor the content of organic pollutants in the water at any time. Now, when it is necessary to monitor the seawater to be measured, manual sampling is required, and then the sample water body is enriched through the enrichment device, and after enrichment, the elution process is performed. After the eluted water body is taken out...

Claims

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Application Information

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IPC IPC(8): G01N1/28G01N1/34G01N1/40
Inventor 赵冬梅何川先林忠胜姚子伟
Owner NATIONAL MARINE ENVIRONMENTAL MONITORING CENTRE
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