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A fully automatic array solid phase extraction device

The technology of extraction device and solid-phase extraction column is applied in the field of analytical instruments, which can solve the problems of complex and large instruments and high price, and achieve the effects of simplifying the process, improving reliability, and simple and direct process.

Active Publication Date: 2019-03-12
DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The instrument is complex, bulky and expensive

Method used

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  • A fully automatic array solid phase extraction device
  • A fully automatic array solid phase extraction device
  • A fully automatic array solid phase extraction device

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Embodiment 1

[0028] A fully automatic array solid-phase extraction device, which consists of three-way solenoid valve 2, six-way valve 4, clamping device 5, sample injection pressure head assembly 6, elution pressure head assembly 7, array disc 8, solid phase extraction column 9; the clamping device 5 is composed of two sets of mutually independent transmission systems fixed on the bracket 13, and the transmission system is composed of a motor, a coupling and a ball screw; each set of ball screws drives a Dynamic platen.

[0029] The array disk 8 is evenly distributed with 24 circular through holes along the circumference; the solid phase extraction column 9 is placed in the circular through holes; the inner wall of the circular through holes is engraved with O-ring grooves in the radial direction for inlaying O-rings 11; The outer wall of the solid phase extraction column 9 has an annular groove along the radial direction, which is matched with the O-ring 11, so that the solid phase extra...

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Abstract

The invention relates to a fully automatic array solid-phase extraction device. The device is composed of a three-way solenoid valve, a six-way valve, a clamping device, a sample injection pressure head assembly, an elution pressure head assembly, an array disc, and a solid phase extraction column. The device is a new type of automatic array solid phase extraction device, which can automatically concentrate, enrich and purify multiple liquid samples for subsequent separation and analysis by high performance liquid chromatography. The device is suitable for automatic solid phase extraction pretreatment of a large number of liquid samples.

Description

technical field [0001] The invention belongs to the field of analytical instruments, in particular to a fully automatic device for sample pretreatment. The device is a new type of automatic array solid phase extraction device. Using program control, the quantitative absorption, sample loading, cleaning and elution of samples are completed. The device is suitable for automatic solid phase extraction pretreatment of a large number of liquid samples. Background technique [0002] Solid Phase Extraction (SPE for short) is a sample pretreatment technology developed since the mid-1980s. Developed from the combination of liquid-solid extraction and liquid chromatography. It is mainly used for the separation, purification and enrichment of samples. The main purpose is to reduce sample matrix interference and improve detection sensitivity. [0003] SPE technology is based on the theory of liquid-solid phase chromatography. It uses selective adsorption and selective elution to en...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N30/06G01N30/08
CPCG01N30/06G01N30/08G01N2030/062G01N2030/065
Inventor 关亚风沈铮张健高岩曲乃恒
Owner DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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