Plasma electron spectroscopy in short glow discharge for registration of vapors and decomposition products of crystalline salts

Author:

Zhou Chen1ORCID,Saifutdinov Almaz I.12ORCID,Yao Jingfeng134ORCID,Kudryavtsev Anatoly A.13ORCID,Yuan Chengxun134ORCID,Wang Ying134ORCID,Nie Qiuyue5ORCID,Zhou Zhongxiang134ORCID

Affiliation:

1. School of Physics, Harbin Institute of Technology 1 , Harbin 150001, People's Republic of China

2. Department of General Physics, Kazan National Research Technical University Named After A. N. Tupolev 2 , 10 Karl Marx St. 420111, Kazan, Russia

3. Heilongjiang Provincial Key Laboratory of Plasma Physics and Application Technology 3 , Harbin 150001, People's Republic of China

4. Heilongjiang Provincial Innovation Research Center for Plasma Physics and Application Technology 4 , Harbin 150001, People's Republic of China

5. School of Electrical Engineering and Automation, Harbin Institute of Technology 5 , Harbin 150001, People’s Republic of China

Abstract

The possibility of using plasma electron spectroscopy (PLES) as a practical method for the detection and identification of crystalline impurities of salts: silver salts, as well as ammonium salts, used in explosives and dangerous substances is shown. To create a prototype of the PLES detector, relatively simple technical solutions are adopted. The source of excitation of metastable atoms is a short DC glow discharge. For analysis, probe scheme for registering electric current from an auxiliary additional electrode probe is used when scanning the retarding electric potential. As a result of a series of experiments, the possibility of detecting products, cathode sputtering, and decomposition of ammonium and silver salts was shown. In particular, peaks from ammonia, nitrogen oxide, silver, and chlorine were recorded.

Funder

Fundamental Research Funds for the Central Universities

National Natural Science Foundation of China

BASIS

Publisher

AIP Publishing

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