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High-flux semi-automatic QuEChERS purification device

A purification device and semi-automatic technology, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems that the purification device is difficult to achieve high-throughput purification, the device structure is complicated, and the production cost is high, so as to facilitate the replacement of needles or filter heads, devices The effect of simple structure and low production cost

Pending Publication Date: 2021-10-22
CHINESE ACAD OF FISHERY SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a high-throughput semi-automatic QuEChERS purification device, which can solve the problems that it is difficult to achieve high-throughput purification in existing purification devices, and the device structure is complex and the production cost is high.

Method used

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  • High-flux semi-automatic QuEChERS purification device
  • High-flux semi-automatic QuEChERS purification device

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Embodiment Construction

[0023] The present invention is described in detail below in conjunction with examples, but the present invention is not limited to these examples.

[0024] Embodiments of the present invention provide a high-throughput semi-automatic QuEChERS purification device, such as figure 1 and figure 2 As shown, the device includes: a purification assembly, the purification assembly includes a piston 1501, a piston rod 150 connected to the piston 1501, a purification cylinder 160 and a filter material layer; the piston 1501 is accommodated in the purification cylinder 160, and the piston rod 150 can drive the piston 1501 along the The inner wall of the purification cartridge 160 slides; the purification cartridge 160 includes opposite first ends and second ends, the first end is open, the second end is provided with a liquid outflow port 1602, and a filter material layer is arranged in the second end; the sample disc 130 is used For fixing the sample bottle 140; the fixed assembly in...

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Abstract

The invention relates to a high-flux semi-automatic QuEChERS purification device, belongs to the technical field of QuEChERS pretreatment, and aims to solve the problems that an existing purification device is difficult to realize high-flux purification, and is complex in structure and high in production cost. The device comprises a purification assembly, a sample disc, and a fixing assembly; the purification assembly comprises a piston, a piston rod connected with the piston, a purification cylinder and a filter material layer; the sample disc is used for fixing a sample bottle; the fixing assembly comprises a fixing frame, a first fixing disc and a second fixing disc, and the sample disc, the first fixing disc and the second fixing disc are all fixed to the fixing frame; a first through hole is formed in the first fixing disc; a second through hole is formed in the second fixing disc, the first through hole is opposite to the second through hole in position, and the second through hole is opposite to the sample bottle in position; the first fixing disc can move in the length direction of the piston rod; and the second fixing disc or the sample disc can move along the length direction of the piston rod. The device is used for purifying drug residues in food.

Description

technical field [0001] The invention relates to a high-throughput semi-automatic QuEChERS purification device, which belongs to the technical field of QuEChERS pretreatment. Background technique [0002] With the improvement of people's living standards, people's requirements for food quality are getting higher and higher. The problem of excessive pesticide and veterinary drug residues in food in my country has aroused widespread concern. Exceeding the detection situation. However, there are many types of samples and complex matrix in the food testing process, which brings great challenges to the efficient and rapid detection of food. Reasonable and high-speed pre-processing technology is the key to solving the problem, and QuEChERS (Quick, Easy, Cheap , Effective, Rugged, Safe) is a rapid sample preparation technology for food testing. [0003] At present, high-throughput semi-automatic purification devices based on QuEChERS sample pretreatment technology are still rarely ...

Claims

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Application Information

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IPC IPC(8): G01N1/34G01N30/06G01N30/88
CPCG01N1/34G01N30/06G01N30/88
Inventor 李晋成刘欢韩刚
Owner CHINESE ACAD OF FISHERY SCI
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