Determination of sulfur in black powder by gas chromatography-mass spectrometry

被引：0
|
作者：
Huang, Yang [1 ,2 ]
Zhu, Jun [2 ]
Hu, Can [2 ]
Mei, Hongcheng [2 ]
Yu, Ziyang [1 ,2 ]
Qin, Hao [1 ,2 ]
机构：
[1] School of Investigation， Peoplé's Public Security, University of China, Beijing,100038, China
[2] Institute of Forensic Science，Ministry of Public Security, Beijing,100038, China
来源：
Chinese Journal of Analysis Laboratory | 2022年 / 41卷 / 08期
关键词：
Black powder - Concentration ranges - Detection limits - Extraction solvents - Gaschromatography-mass spectrometry - GC/MS - Injection ports - Port temperature - Ramp up - Solvent injection;
D O I：
10.13595/j.cnki.issn1000-0720.2021.080403
中图分类号：
学科分类号：
摘要：
A gas chromatography-mass spectrometry（GC-MS）method was developed for the determination of sulfur in black powder. The extraction solvent，injection port temperature and ramp-up procedure were optimized. The linearity was excellent in the concentration range of 5-50 μµg/mL，and the detection limit was 0.65 μµg/mL. The spiked recoveries were 92.4%-102.7% with the relative standard deviation of 1.4%. The black powder residues after explosion were identified by GC-MS， and different black powder samples were distinguished according to the content of sulphur. © 2022, Youke Publishing Co.,Ltd. All rights reserved.
引用
收藏
页码：930 / 933
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