The utility model relates to the technical field of collection of atmospheric inorganic nitrogen components, in particular to an online automatic collection and enrichment system for atmospheric inorganic nitrogen components, which is characterized in that an ultrapure water tank is communicated with a gas-phase substance aqueous solution storage tank through a pipeline provided with a control valve; the ultrapure water tank is communicated with the particle phase substance aqueous solution storage tank through a pipeline provided with a control valve, the gas phase substance aqueous solutionstorage tank is communicated with the first ion exchange resin pipe through a pipeline provided with a control valve, and the particle phase substance aqueous solution storage tank is communicated with the second ion exchange resin pipe through a pipeline provided with a control valve. The leacheate storage box is respectively connected with the first ion exchange resin tube liquid inlet pipelineand the second ion exchange resin tube liquid inlet pipeline through pipelines provided with control valves; and the output end pipeline of the first ion exchange resin tube and the output end pipeline of the second ion exchange resin tube are respectively provided with a liquid outlet valve. The nitrogen isotope analysis device can automatically collect and enrich inorganic nitrogen components inthe atmosphere at high time frequency, and facilitates nitrogen isotope analysis.
; 宗政; 孙泽宇
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