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A portable high-efficiency magnetic solid-phase extraction device and its extraction method

A technology of extraction device and solid-phase extraction agent, applied in the field of portable high-efficiency magnetic solid-phase extraction device, can solve problems such as unfavorable instant extraction and loss of solid-phase extraction agent, achieve convenient collection and separation, fast sedimentation rate, and ensure accuracy Effect

Active Publication Date: 2018-10-09
JIANGSU GUOCHUANG ENVIRO PROTECTION TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problems of the loss of solid-phase extraction agent in the existing magnetic solid-phase extraction and the disadvantages of real-time extraction in the field, the invention provides a portable high-efficiency magnetic solid-phase extraction device

Method used

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  • A portable high-efficiency magnetic solid-phase extraction device and its extraction method
  • A portable high-efficiency magnetic solid-phase extraction device and its extraction method

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Embodiment Construction

[0035] Below in conjunction with accompanying drawing this reactor is described further as follows:

[0036] like Figure 1 to Figure 2 As shown, a portable high-efficiency magnetic solid-phase extraction device mainly includes a contact reaction chamber (1), a circulating water inlet (2), a clear water pool (3), a three-way valve c (4), and a water delivery pipe a-1 ( 5-1), water pipe a-2 (5-2), circulating pump (6), circulating water outlet (7), solid phase extractant collection tank (8), magnetic holder (9), electromagnet (10) , solid-liquid separation area (11), water outlet (12), three-way valve d (13), water delivery pipe b-1 (14-1), water delivery pipe b-2 (14-2), drain pipe (15) , drain valve (16), shower water inlet (17), shower pipe (18);

[0037]The circulating water inlet (2) and the circulating water outlet (7) are respectively located at the upper and lower parts of the contact reaction chamber (1), and the circulating water inlet (2) and the three-way valve c ...

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Abstract

The invention belongs to the field of pretreatment devices for analytical instruments, and discloses a portable high-efficiency magnetic solid-phase extraction device. The device mainly includes a contact reaction chamber, a circulating water inlet, a clear water pool, a circulating pump, a circulating water outlet, a solid phase extractant collection tank, a magnetic holder, an electromagnet, a solid-liquid separation area, a drain valve, a wall water inlet, and a wall Tube. The contact reaction chamber is conical, and hydraulic stirring is used to ensure that there is no dead angle in the contact stirring; the inverted conical solid-liquid separation area increases the interaction area between the magnetic solid-phase extraction agent and the electromagnet; the solid-phase extraction agent collection tank adopts a convex disc shape, Prevent the loss of solid-phase extractant; the device is equipped with a shower wall to prevent the residue of solid-phase extractant in the reaction chamber; the clear water pool ensures that the solid-phase extractant in the pipeline is completely collected. The invention can realize high-efficiency collection of magnetic solid-phase extraction agent, effectively guarantee the recovery rate of solid-phase extraction, meet the requirements of different enrichment multiples, greatly shorten the extraction time, and be easy to carry to the site for use.

Description

technical field [0001] The invention belongs to the field of pretreatment devices for analytical instruments, and relates to a portable high-efficiency magnetic solid-phase extraction device. Background technique [0002] Solid phase extraction technology is a sample pretreatment technology, which has the advantages of high efficiency, reliability and less solvent consumption. It has been applied to the enrichment of trace organic pollutants in water bodies, and has been widely used in the fields of environment and medicine. . At present, the enrichment method mainly adopts solid phase extraction column, and carries out water absorption through vacuum pump. However, the existing solid-phase extraction technology with the solid-phase extraction column as the core has some defects: offline solid-phase extraction needs to pass through the column to achieve the enrichment and separation of the target substance, there is a large reverse resistance, and the extraction time is lon...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D15/10B01J20/28C02F1/26C02F101/30
CPCB01D15/10B01J20/28009C02F1/26C02F2303/14C02F2101/30G01N1/405B03C1/0335B03C1/288B03C2201/18G01N1/18G01N30/14G01N2001/1025
Inventor 周庆王未赵青青王铭璐高睿马笑文施鹏陈讯
Owner JIANGSU GUOCHUANG ENVIRO PROTECTION TECH CO LTD
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