Acting Role of Background Gas in the Emission Response of Laser-Induced Plasmas of Energetic Nitro Compounds

被引：13
|
作者：
Delgado, Tomas [1 ]
Vadillo, Jose M. [1 ]
Javier Laserna, J. [1 ]
机构：
[1] Univ Malaga, Fac Sci, Dept Analyt Chem, Campus Teatinos S-N, E-29071 Malaga, Spain
来源：
APPLIED SPECTROSCOPY | 2016年 / 70卷 / 08期
关键词：
Laser-induced plasmas; nitro compound; background gas; laser ablation; INDUCED BREAKDOWN SPECTROSCOPY; AMBIENT AIR; ABLATION; ATMOSPHERE; SPECTROMETRY; GRAPHITE; PRESSURE; ARGON;
D O I：
10.1177/0003702816654041
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
This study focuses on the analysis of the optical emission response obtained by laser-induced breakdown spectroscopy from energetic nitro compounds in condensed phase sampled in atmospheres of variable composition. The influence of different background gases was evaluated from the characteristic emissions of the excited species coexisting in the plasma plume and conclusions concerning the main pathways involved in the generation of such emission species were extracted. Different reactive (O-2, N-2, H-2) and inert (Ar, He) gases were tested to establish the comparative emission features of organic compounds.
引用
收藏
页码：1364 / 1374
页数：11
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