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Device and method for extraction and/or purification

A purification device and extraction technology, applied in the field of analytical chemistry, can solve the problems of slow speed and inconvenient operation

Pending Publication Date: 2019-04-26
苏州艾捷博雅生物电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The combination of vibration and air flow agitation technology, pressure drive and dispersive solid phase extraction technology can not only eliminate the risk of clogging of the extraction column and the error caused by uneven flow rate during the extraction process, but also overcome the slow speed of traditional dispersive solid phase extraction. Inconvenient disadvantage

Method used

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  • Device and method for extraction and/or purification
  • Device and method for extraction and/or purification
  • Device and method for extraction and/or purification

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0086] The device in Example 1 is provided with four cylindrical containers 1 arranged side by side, and an oscillator 4 is provided. The device in Example 2 is provided with four cylindrical containers 1 arranged side by side, but no oscillator 4 is provided. In the device of Example 3, the cylindrical container 1 is set on a 96-well plate, and the oscillator 4 is not provided.

[0087] Example 1

[0088] The structure of the device with oscillator 4 is as figure 1 As shown, the device includes a liquid addition system 5 , a pressurization system, a cylindrical container 1 , an extraction material 2 , a stirring device and a bottom packaging device 3 . The pressurization system is connected to the top inlet 101 of the cylindrical container 1 through a pipeline to provide discharge pressure for the materials in the cylindrical container 1 . The extraction material 2 is used as the adsorption phase, loosely packed inside the cylindrical container 1, and can be displaced in t...

Embodiment 2

[0095] The structure of the device without oscillator 4 is as image 3 As shown, the device includes a liquid addition system 5 , a pressurization system (serving as a stirring device at the same time), a cylindrical container 1 , an extraction material 2 and a bottom packaging device 3 . The pressurized system is connected to the top inlet 101 of the columnar container 1 through a pipeline to provide discharge pressure for the material in the columnar container 1; the extraction material 2 is used as an adsorption phase, loosely packed inside the columnar container 1, and can be placed in the columnar container 1 Displacement occurs in the column; the cylindrical container 1 is the main part of extraction and purification, and the sample solution and extraction material 2 are adsorbed in the cylindrical container 1. The bottom packaging device 3 is arranged at the bottom of the cylindrical container 1. When the cylindrical container 1 is under normal pressure, the bottom pack...

Embodiment 3

[0100] The overall structure of the device of the present embodiment and the supporting structure of the cylindrical container 1 are as follows Figure 5 , 6As shown, the device includes a liquid addition system 5 , a pressurization system (serving as a stirring device at the same time), a cylindrical container 1 , an extraction material 2 and a bottom packaging device 3 . The pressurized system is connected to the top inlet 101 of the columnar container 1 through a pipeline to provide discharge pressure for the material in the columnar container 1; the extraction material 2 is used as an adsorption phase, loosely packed inside the columnar container 1, and can be placed in the columnar container 1 Displacement occurs in the column; the cylindrical container 1 is the main part of extraction and purification, and the sample solution and extraction material 2 are adsorbed in the cylindrical container 1. The bottom packaging device 3 is arranged at the bottom of the cylindrical ...

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Abstract

The invention discloses a device and a method for extraction and / or purification. The extraction and / or purification device comprises a pressurization system, a cylindrical container, an extraction material, an adsorption accelerating device, a bottom packaging device and a liquid feeding system, wherein the pressurization system is connected with a top inlet of the cylindrical container; the extraction material is loosely loaded inside the cylindrical container; and the adsorption accelerating device is an oscillator disposed outside the cylindrical container and / or an agitating gas flow supplied to the interior of the cylindrical container by the pressurization system, and is used for thoroughly mixing a sample solution with the extraction material. According to the device, for the firsttime, a function of facilitating multiple liquid addition / discharge during the disperse extraction process is achieved by means of pressure control of a 'quasi' switch at the bottom of the cylindrical container. The method and the device can accelerate the thermodynamic adsorption / desorption equilibrium between the extraction material and the sample solution, improve the extraction efficiency, control the extraction process, and reduce the inconvenience and errors caused by the irregular flow rate of the conventional solid phase extraction.

Description

technical field [0001] The invention belongs to the field of analytical chemistry and the field of in vitro clinical detection sample processing, and in particular relates to an extraction and / or purification method and device. Background technique [0002] With the development of modern process industry, extraction and separation technology has become an important means in the field of chemical analysis, and has played an important role in the fields of food, medicine, petrochemical, and environmental testing. Currently commonly used extraction methods include liquid-liquid extraction, solid-phase extraction, solid-phase microextraction, supercritical fluid extraction, and immunoaffinity extraction. Among them, solid phase extraction, as a traditional extraction technology, has the advantages of high separation efficiency, high recovery rate and simple pretreatment process, and is widely used. [0003] According to the shape of the stationary phase, solid phase extraction ...

Claims

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Application Information

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IPC IPC(8): B01D15/14B01D15/18B01D15/20B01D15/22
CPCB01D15/08B01D15/10G01N1/34G01N1/405G01N1/4055G01N2001/4061
Inventor 王洪宇王跃庆
Owner 苏州艾捷博雅生物电子科技有限公司
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