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Enrichment apparatus for organic pollutants in seawater and enrichment method

A technology of organic pollutants and seawater, which is applied in the field of marine environment monitoring, can solve the problems of cumbersome procedures, poor connection, time-consuming and labor-consuming, etc., and achieve the effect of improving detection accuracy, solving detection errors, and realizing full-process automatic control

Inactive Publication Date: 2015-12-30
OCEANOGRAPHIC INSTR RES INST SHANDONG ACAD OF SCI
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Problems solved by technology

[0007] In order to solve the problems of cumbersome procedures, poor connection, and time-consuming and labor-consuming problems in the existing seawater pollutant pretreatment method, the present invention proposes a fast, efficient, and easy-to-apply organic pollutant enrichment device in seawater, which can greatly shorten the processing time. time, improve detection efficiency

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  • Enrichment apparatus for organic pollutants in seawater and enrichment method
  • Enrichment apparatus for organic pollutants in seawater and enrichment method
  • Enrichment apparatus for organic pollutants in seawater and enrichment method

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Embodiment Construction

[0039] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0040] In the description of this embodiment, it should be understood that the orientations or positional relationships indicated by the terms "upper", "lower", "front", "rear" etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only For the convenience of describing this embodiment and simplifying the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

[0041] In order to speed up the extraction and enrichment speed of persistent organic pollutants in seawater, increase the processing throughput of samples, and avoid potential pollution and property changes of water samples during transportation, this exa...

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Abstract

The invention discloses an enrichment apparatus for organic pollutants in seawater and an enrichment method. The apparatus comprises an autoinjection system, a sample bottle translation system, a stirring transfer system used for stirring a seawater sample and employing the magnetic adsorption principle for extracting target organic pollutants in the seawater sample, a motion system driving the stirring transfer system to make horizontal and vertical movements, and a vortex system enabling an elution solvent to generate vortex. The enrichment apparatus employs the structure design of combining parallel processing and straight-line distribution, is capable of realizing full automation of the whole process from injection to extraction enrichment of the target organic pollutants, helps to generate multiple to-be measured samples through once processing, and substantially improves the pretreatment efficiency of the seawater sample. Additionally, by employing the design of enabling permanent magnet to cooperate with a thin-wall glass tube for performing adsorption and disengaging on a magnetic extraction medium, the detection error problem caused by extraction-medium incomplete disengaging because of remanent magnetism of electromagnet is effectively solved, and detection precision is facilitated to be improved.

Description

technical field [0001] The invention belongs to the technical field of marine environment monitoring, and in particular relates to a device for extracting and enriching organic pollutants in seawater samples in the pretreatment process of seawater samples, and a proposal based on the enrichment device method for the enrichment of organic pollutants. Background technique [0002] Persistent Organic Pollutants (POPs) in seawater, although the absolute content is very low (10 -12 ~10 -9 g / L), but it is not easy to degrade, and has "three-caused" toxicity, and its toxicity can also accumulate and pass through the food chain, so it will pose a serious threat to the marine ecosystem, and has become one of the focuses of current research on marine environmental pollution. one. [0003] Since the content of POPs in seawater samples is very low and the matrix is ​​complex, sample pretreatment is usually required before determination to reduce or eliminate interfering substances, e...

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Application Information

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IPC IPC(8): G01N1/28G01N1/14
Inventor 褚东志吴丙伟张颖颖范萍萍吴宁孔祥峰张颖曹煊马然张述伟王昭玉吕婧曹璐刘东彦王茜郭翠莲侯广利高杨刘岩张天鹏王小红张丽胡云川
Owner OCEANOGRAPHIC INSTR RES INST SHANDONG ACAD OF SCI
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