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Enrichment device for trace multivalent cations

A multivalent cation, enrichment technology, applied in the field of metal element detection

Active Publication Date: 2017-01-04
INST OF LASER & OPTOELECTRONICS INTELLIGENT MFG WENZHOU UNIV
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] The purpose of the present invention is to provide a method for efficiently enriching trace polyvalent metal ions (such as: Mg 2+ 、Cu 2+ , Ca 2+ , Fe 3+ etc.) device, which is convenient for detecting and analyzing the content of multivalent metal ions in the water body. The device requires micron pore size requirements, low cost, and helpful for industrial promotion

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  • Enrichment device for trace multivalent cations

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Embodiment Construction

[0018] The present invention is specifically described below by the embodiment, only for further illustrating the present invention, can not be interpreted as the limitation of protection scope of the present invention, the technical engineer of this field can make some non-essential improvements and improvements to the present invention according to the content of the above-mentioned invention Adjustment.

[0019] Such as figure 1 As shown, the enrichment device includes a micron-scale main channel 1, the length of the micron-scale main channel is 100 ~ 10000um, and the width is 10 ~ 100um. The first inlet 11 of the stock solution, the outlet end of the micron-scale main channel 1 is connected with the first buffer tank 12, the inner wall of the micron-scale main channel is provided with a first anion exchange membrane 13, and the first anion exchange membrane 13 The outer end of the micron-scale main channel 1 is connected with the second buffer tank 14, and the area corres...

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Abstract

The invention discloses an enrichment device for trace multivalent cations. The enrichment device comprises a micron-grade main channel, wherein a first inlet which is used for connecting to-be-enriched stoste containing multivalent cations is formed in the micron-grade main channel; a first buffer pool is connected to the outlet end of the micron-grade main channel; a first anion exchange membrane is arranged on the inner wall of the micron-grade main channel; the outer end of the first anion exchange membrane is communicated with a second buffer pool; an area, corresponding to the first anion exchange membrane, of the micron-grade main channel, is a separation area; an upstream, relative to the first anion exchange membrane, of the micron-grade main channel, is a trace ion enriching area; a second inlet is also formed in the trace ion enriching area; a control valve for opening and closing the second inlet is arranged at the second inlet. The enrichment device disclosed by the invention has the advantage of low cost; in addition, the trace multivalent metal ions (such as Mg<2+>, Cu<2+>, Ca <2+> and Fe <3+>) in a water body can be efficiently enriched.

Description

technical field [0001] The invention belongs to the technical field of metal element detection, and in particular relates to a device for enriching trace polyvalent metal ions. Background technique [0002] In recent years, metal pollution has become a prominent environmental problem. Collective metal poisoning incidents have been reported continuously all over the country, even threatening the survival of human beings. Especially in water bodies, the natural background content of polyvalent metals does not have obvious harm, but with the increase of social population and the acceleration of industrialization, a large amount of industrial wastewater and domestic sewage are discharged, especially soluble polyvalent metals enter the water body and pass through Drinking water, bioaccumulation, and food chains have a series of toxic effects on organisms in water bodies, and ultimately endanger human health. There are many kinds of polyvalent metal ions in water, and most of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/40
CPCG01N1/4005
Inventor 李子瑞刘伟
Owner INST OF LASER & OPTOELECTRONICS INTELLIGENT MFG WENZHOU UNIV
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