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Minisize detection tank for high performance liquid chromatography-electrochemical detection

A high-performance liquid chromatography and detection cell technology, which is applied in the field of micro-detection cells, can solve the problems of poor sealing, complicated operation, and many holes in the micro-detection cell, and achieves the effects of simple assembly, simple and quick operation, and reduction of solution leakage.

Inactive Publication Date: 2010-05-26
CHANGZHOU INST OF ENERGY STORAGE MATERIALS &DEVICES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this detection cell is that the structure is complicated, the micro-detection cell has too many holes, the sealing is poor, it is easy to leak, and the operation is complicated during detection.

Method used

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  • Minisize detection tank for high performance liquid chromatography-electrochemical detection
  • Minisize detection tank for high performance liquid chromatography-electrochemical detection
  • Minisize detection tank for high performance liquid chromatography-electrochemical detection

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] The micro detection cell of the present invention is as figure 2 As shown: the sampling tube 6 is connected with the micro detection cell with the first screw 7, and the first sealing ring 5 is put on the sampling tube to ensure the sealing performance of the detection cell; the sample output tube 9 is connected with the micro detection cell with the second screw 10 The detection cell is connected, and the second sealing ring 8 is put on the sample tube to ensure the sealing performance of the detection cell; between the first screw 7 and the second screw 10 is a liquid tank 11 filled with flowing liquid, with a diameter of 3mm, combined electrodes Placed in the flow liquid tank 11, the central axis of the electrode and the flow liquid tank 11 is on a horizontal line; the combined electrode connection port 12 with threads on the surface, the combined electrode connection port 12 and the combined electrode 4 used in conjunction are connected by threads for Fix the combi...

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Abstract

The invention discloses a micro detection pool of highly effective liquid chromatograph-electrochemistry detection, which is characterized by the following: the sampling pipe (6) connects the micro detection pool through screw (7), which encases a sealing ring (5) to keep the sealing property of detection pool; the sample-out pipe (9) connects the micro detection pool through screw (10), which encases a sealing ring (8) to keep the sealing property of detection pool; the liquid bath (11) of 3 mm diameter is set between screw (7) and (10) within floating liquid, whose electrode is put in the floating liquid bath (11); the combination electrode interface (12) connects the mating combination electrode (4) through thread, which fixes the combination electrode (4) and keeps sealing property; (13) is pool body of micro detection pool.

Description

technical field [0001] The invention relates to a micro detection cell for high-performance liquid chromatography-electrochemical detection, belonging to the technical field of liquid chromatography-electrochemical detection and analysis. Background technique [0002] High-performance liquid chromatography-electrochemical detection is a method of combining electrochemical detection and high-performance liquid chromatography, and the micro-detection cell used for high-performance liquid chromatography-electrochemical detection is a micro-detection part of the electrochemical detection system. pool. [0003] HPLC inherently provides multicomponent analysis and eliminates interfering peaks in a less time-consuming and more efficient manner than other methods. The detectors of high performance liquid chromatography can be divided into photoelectric detectors, thermal detectors and electrochemical detectors according to different measurement principles. The advantages of using ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N35/00G01N30/02G01N27/26
Inventor 牛利沈艳飞张袁健张齐贤袁军华韩冬雪王志娟
Owner CHANGZHOU INST OF ENERGY STORAGE MATERIALS &DEVICES