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Freezing transfer sampling device and method for special sample detection of elemental analyzer

An elemental analyzer and sampling device technology, applied in analytical materials, instruments, etc., can solve the problems of inaccurate detection of sulfur and oxygen elements, inability to detect organic elements, etc., and achieve the effects of simple structure, low cost, and rapid conversion

Active Publication Date: 2020-05-15
SHANXI INST OF COAL CHEM CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the problems that carbon, hydrogen, nitrogen, sulfur and oxygen elements in liquid samples and air-sensitive samples cannot be accurately detected, and organic elements in highly volatile liquid samples cannot be detected, the present invention provides a special sample for elemental analyzer Detecting cryo-conveyor sampling device and method

Method used

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  • Freezing transfer sampling device and method for special sample detection of elemental analyzer
  • Freezing transfer sampling device and method for special sample detection of elemental analyzer
  • Freezing transfer sampling device and method for special sample detection of elemental analyzer

Examples

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Comparison scheme
Effect test

Embodiment 1

[0051] Such as Figure 1 to Figure 7 As shown, the frozen transfer sampling device used for the detection of special samples of the elemental analyzer includes a glove box 1, an electronic balance 2, an elemental analyzer 3, a freezing device 4, a controller 5 and a precision sampling device 6;

[0052] The glove box 1 is a rectangular box, and two transition chambers 102, one large and one small, are arranged on the right side of the glove box 1, and a sample outlet 101 is arranged on the bottom plate of the glove box 1. The top of the sample port 101 is provided with a sealing cover 103, which is used for the sealing of the glove box 1 when it is not in use, and an interface is provided below the sample port 101, which is used to connect to the sample port of the precision sampling device 6, so The front panel of the glove box 1 is a transparent glass plate, and two round holes 104 are provided on the front panel of the glove box 1 for allowing hands to be inserted into the ...

Embodiment 2

[0063] Such as Figure 1 to Figure 5 as well as Figure 8 As shown, the cryotransport sampling device used for the detection of special samples of the elemental analyzer includes a glove box 1, an electronic balance 2, an elemental analyzer 3, a freezing device 4, a precision sampling device 6, a second controller 7, and a bracket 8 and camera 9;

[0064] The glove box 1 is a rectangular box, and two transition chambers 102, one large and one small, are arranged on the right side of the glove box 1, and a sample outlet 101 is arranged on the bottom plate of the glove box 1. The top of the sample port 101 is provided with a sealing cover 103, which is used for the sealing of the glove box 1 when it is not in use, and an interface is provided below the sample port 101, which is used to connect to the sample port of the precision sampling device 6, so The front panel of the glove box 1 is a transparent glass plate, and two round holes 104 are provided on the front panel of the ...

Embodiment 3

[0075] Such as Figure 1 to Figure 5 as well as Figure 9 , Figure 10 As shown, the refrigerated delivery sampling device for special sample detection of elemental analyzer includes glove box 1, electronic balance 2, elemental analyzer 3, freezing device 4, precision sampling device 6 and No. 3 controller 10;

[0076] The glove box 1 is a rectangular box, and two transition chambers 102, one large and one small, are arranged on the right side of the glove box 1, and a sample outlet 101 is arranged on the bottom plate of the glove box 1. The top of the sample port 101 is provided with a sealing cover 103, which is used for the sealing of the glove box 1 when it is not in use, and an interface is provided below the sample port 101, which is used to connect to the sample port of the precision sampling device 6, so The front panel of the glove box 1 is a transparent glass plate, and two round holes 104 are provided on the front panel of the glove box 1 for allowing hands to be ...

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Abstract

The invention belongs to the technical field of the chemical detection equipment, and specifically relates to a freezing conveying sample-injection device and method for element analyzer special sample detection. The freezing conveying sample-injection device for element analyzer special sample detection comprises a glove box, an electronic scale, an element analyzer, a freezing device and a precise sample injection device; the electronic scale and the freezing device are arranged in the glove box, a sample outlet of the glove box is connected with a sample inlet of the precise sample-injection device, the sample outlet of the precise sample-injection device is connected with the sample inlet of an element analyzer. By adopting an innovative idea for directly converting the liquid sample into a solid sample to detect, the problems that the existing detection equipment cannot accurately detect carbon, hydrogen, nitrogen, sulfur and oxygen elements in the liquid sample and an air sensitive sample and the organic elements in the liquid sample with strong volatility cannot be detected are solved.

Description

technical field [0001] The invention belongs to the technical field of chemical detection equipment, and in particular relates to a frozen transport sampling device and a method for detecting special samples of an elemental analyzer. Background technique [0002] The elemental analyzer is an instrument used to detect the content of organic elements carbon, hydrogen, nitrogen, sulfur and oxygen in the sample. However, when using an elemental analyzer for detection, some special samples, such as coal tar, highly volatile liquid samples, and air-sensitive samples, cannot accurately detect the content of carbon, hydrogen, nitrogen, sulfur, and oxygen. At present, the instrument company equips the elemental analyzer with a liquid sealer to detect liquid samples. Put the liquid sample in a tin cup, seal it with a liquid sealer, weigh it, and place it in the sample tray of the elemental analyzer for sample detection. However, when using a liquid sealer to prepare samples, a large...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N35/10G01N35/04
CPCG01N35/04G01N35/10G01N2035/00445
Inventor 黄冬梅张园力张凤英徐勤超刘颖乔岩樊卫斌
Owner SHANXI INST OF COAL CHEM CHINESE ACAD OF SCI
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