Small-charge thermal explosion gas collecting device and gas analysis method

A collection device and gas analysis technology, which is applied in measurement devices, analytical materials, sampling devices, etc., and can solve problems such as difficulty in obtaining samples, large doses of drugs, and gas interference.
CN109085271AActive Publication Date: 2018-12-25INST OF CHEM MATERIAL CHINA ACADEMY OF ENG PHYSICS
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
INST OF CHEM MATERIAL CHINA ACADEMY OF ENG PHYSICS
Publication Date
2018-12-25

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Abstract

The invention discloses an analysis method for testing a thermal explosion gas product of explosives, and provides a small-charge thermal explosion gas collecting device. During testing, a small amount of explosives are pressed into the cartridge, placed in a gas collection tank; the gas collection tank is placed in a high-temperature heating medium, the explosives are rapidly heated and exploding, the gas collecting tank is taken out, and a thermal explosion gas product of explosives is obtained. The total amount and composition of the thermal explosion gas product of explosives can be analyzed by directly connecting the collecting device to a gas chromatography-mass spectrometer or mass spectrometer. The method can realize collection and analysis of a small-charge thermal explosion gas product, and can be used for researching energetic materials, in particular the thermal explosion reaction mechanism of energetic materials in the exploration phase.
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Description

technical field

[0001] Practices of the present invention relate to the field of energetic material analysis, and more particularly, embodiments of the present invention relate to the analysis of gas products of thermal explosions of energetic materials. Background technique

[0002] In the design of high-performance energetic materials, multi-nitrogen energetic compounds are an important development direction. At present, some high-nitrogen single-substance explosives with good application potential have begun to gradually break away from the restriction of nitro explosive groups, and their stability has been substantially improved, and they have the characteristics of high energy and low sensitivity. For example, TKX-50 is composed of two tetrazole rings and does not contain traditional nitrate detonating groups. Understanding the energy release mechanism of these new energetic materials is of great significance for their structure optimization and formulation design. The...

Claims

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