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Device capable of quickly heating liquid sample

A liquid sample, rapid heating technology, applied in the preparation of test samples, measuring devices, material analysis through electromagnetic means, etc., to achieve continuous sample analysis and good repeatability

Active Publication Date: 2016-06-29
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

There is a through hole outside the circular through hole above the boss

Method used

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  • Device capable of quickly heating liquid sample

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Experimental program
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Effect test

Embodiment Construction

[0012] The device comprises a capillary sealing screw, a sealing plate, a main body groove, a sample pool, a bottom plate and an electromagnetic valve arranged in sequence from top to bottom. The through hole at the center of the sealing plate in the device, the through hole on the upper surface of the groove of the main body, the through hole at the center of the sample pool and the through hole at the center of the bottom plate are coaxial structures. The capillary sealing screw is arranged directly above the sealing plate, and a ferrule is used to seal between the capillary and the sealing screw to prevent air leakage. During the experiment, the liquid sample to be heated is placed in the sample pool with a hole in the center, and heated by a heating rod. The heating temperature is set by the temperature control software, and the temperature sensor feedbacks the temperature of the device and displays it in the software. When When the heating temperature reaches the set valu...

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Abstract

The invention discloses a device capable of quickly heating a liquid sample. The device comprises a capillary sealing screw, a sealing plate, a main groove, a sample cell, a base plate, and an electromagnetic valve; wherein the sample cell is provided with a sample hole for placing a liquid sample. The periphery of the main groove is provided with heating rods, which are used to heat the whole device. The bottom of the sample cell is connected to the electromagnetic valve and on / off of the electromagnetic valve is controlled by software. Through temperature control software, the heating rods in the main groove can heat the whole device to a certain temperature, and thus the sample in the sample cell is heated to volatilize and introduced into mass spectrum through a capillary to carry out analysis. When the sample needs to be changed, the electromagnetic valve can be opened, and the sample cell can be drawn out to change the sample.

Description

technical field [0001] The invention is mainly applied to gasification and sample introduction of difficult-to-volatile liquid samples, specifically, the device is used to gasify difficult-to-volatile liquid samples and then continuously enter the mass spectrometer for analysis. Background technique [0002] Among detection technologies, mass spectrometry detection technology has received extensive attention because of its best resolution and qualitative capabilities. Mass spectrometry identifies compound samples by ionizing, separating, and detecting ions, which can provide rich molecular structure information of samples. Among many analytical and detection methods, mass spectrometry is a universal method with high sensitivity and high efficiency, but mass spectrometry needs to be operated under vacuum conditions, which results in large volume, high power consumption and high price of mass spectrometry instruments Features. For the mass spectrometer of liquid sampling, si...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/64G01N1/44
Inventor 李海洋李金旭赵无垛李杨刘巍
Owner DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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