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GA/T 1944-2021: Forensic sciences - Examination methods for six organic explosives including TNT and their residues - LC-MS
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Forensic sciences - Examination methods for six organic explosives including TNT and their residues - LC-MS
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GA/T 1944-2021
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Basic data | Standard ID | GA/T 1944-2021 (GA/T1944-2021) | | Description (Translated English) | Forensic sciences - Examination methods for six organic explosives including TNT and their residues - LC-MS | | Sector / Industry | Public Security (Police) Industry Standard (Recommended) | | Classification of Chinese Standard | A92 | | Classification of International Standard | 13.310 | | Word Count Estimation | 13,160 | | Date of Issue | 2021-10-14 | | Date of Implementation | 2022-05-01 | | Issuing agency(ies) | Ministry of Public Security | GA/T 1944-2021: Forensic sciences - Examination methods for six organic explosives including TNT and their residues - LC-MS
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ICS 13.310
CCSA92
People's Republic of China Public Security Industry Standards
Forensic science trinitrotoluene and other 6 kinds of organic explosives and their
Liquid Chromatography-Mass Spectrometry for Examination of Explosive Residues
Released on 10-14-2021
2022-05-01 Implementation
Released by the Ministry of Public Security of the People's Republic of China
foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules for Standardization Documents"
drafting.
Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents.
This document was proposed by the National Criminal Technology Standardization Technical Committee Physical and Chemical Inspection Sub-Technical Committee (SAC/TC179/SC4) and submitted
Focus on.
This document was drafted by. The Material Evidence Appraisal Center of the Ministry of Public Security, the Criminal Investigation Team of the Public Security Department of Guangxi Zhuang Autonomous Region, and the Criminal Technology Department of the Public Security Department of Heilongjiang Province.
Criminal Technology Corps of Liaoning Provincial Public Security Department, Criminal Technology Center of Guangdong Provincial Public Security Bureau, Criminal Technology Institute of Guangzhou Public Security Bureau, Chinese People's
Public Security University, Jining Public Security Bureau.
The main drafters of this document. Mei Hongcheng, Zhu Jun, Liu Zhanfang, Zhang Guannan, Sun Yuyou, Yang Ning, Zhang Jilin, Zhao Haiyu, Zhang Liang, Diao Zhongwen,
Fan Linyuan, Gao Gaoyong, Zhang Dalei, Xu Shaohui, Yang Chongjun.
Forensic science trinitrotoluene and other 6 kinds of organic explosives and their
Liquid Chromatography-Mass Spectrometry for Examination of Explosive Residues
1 Scope
This document specifies trinitrotoluene (TNT, TNT), cyclotrimethylenetrinitramine (RDX), pentaerythramide in the field of forensic science
Tetrol tetranitrate (Taian, PETN), glycerol trinitrate (nitroglycerin, NG), cyclotetramethylene tetranitramine (Tuo Jin, HMX) and three
Liquid Chromatography-Mass Spectrometry (LC-MS) Qualitative Test of Six Kinds of Organic Explosives and Their Explosive Residues
method.
This document is applicable to 6 kinds of organic explosives and their explosive residues in the field of forensic science, such as TNT, RDX, PETN, NG, HMX and Tetryl.
Qualitative analysis of residues.
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document.
GB/T 6682 Analytical laboratory water specifications and test methods
GA/T 242 Physicochemical Examination Terminology for Trace Evidence in Forensic Science
3 Terms and Definitions
The terms and definitions defined in GA/T 242 apply to this document.
4 principles
Extract TNT, RDX, PETN, NG, HMX and Tetryl and their explosive residues with organic solvents such as acetone. Negative quality control
Products, detection limit quality control samples and standard substances were used as controls, and the retention time in liquid chromatography-mass spectrometry, mass spectrometry characteristic ion fragment peaks and ion
Abundance ratio was used as the basis for qualitative judgment, and qualitative analysis was performed on TNT, RDX, PETN, NG, HMX, Tetryl and their explosive residues.
5 Reagents and materials
5.1 Reagents
The experimental water should meet the first-class water specified in GB/T 6682.Unless otherwise specified, the reagents used in the analysis are chromatographically pure.
Agents include.
a) Methanol (CH3OH);
b) acetone (CH3COCH3);
c) Ammonium formate (HCOONH4);
d) Standards of TNT, RDX, PETN, NG, HMX and Tetryl;
Note. In special cases, the reference substance can be used instead of the standard substance.
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