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Forensic sciences - Examination methods for five components including diphenylamine in gunshot residues and propellants - GC-MS
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Basic data
| Standard ID | GA/T 2076-2023 (GA/T2076-2023) |
| Description (Translated English) | Forensic sciences - Examination methods for five components including diphenylamine in gunshot residues and propellants - GC-MS |
| Sector / Industry | Public Security (Police) Industry Standard (Recommended) |
| Classification of Chinese Standard | A92 |
| Classification of International Standard | 13.310 |
| Word Count Estimation | 12,116 |
| Date of Issue | 2023-03-01 |
| Date of Implementation | 2023-12-01 |
| Issuing agency(ies) | Ministry of Public Security |
GA/T 2076-2023: Forensic sciences - Examination methods for five components including diphenylamine in gunshot residues and propellants - GC-MS
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 13.310
CCSA92
Public safety industry standards of the People's Republic of China
Forensic Science Shooting Residues and Propellants
Testing of 5 organic components including diphenylamine
Gas Chromatography-Mass Spectrometry
Published on 2023-03-01
Implemented on 2023-12-01
Released by the Ministry of Public Security of the People's Republic of China
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents"
Drafting.
Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents.
This document is submitted by the Criminal Investigation Bureau of the Ministry of Public Security.
This document is under the jurisdiction of the Physical and Chemical Inspection Sub-Technical Committee of the National Technical Committee for Standardization of Criminal Technology (SAC/TC179/SC4).
This document was drafted by. Guangxi Zhuang Autonomous Region Public Security Department, Ministry of Public Security Identification Center, Shanghai Public Security Bureau, Hunan Provincial Public Security Department, Inner Mongolia
Autonomous Region Public Security Department, Shandong Provincial Public Security Department Physical Evidence Research Center, Dezhou Municipal Public Security Bureau, Zunyi Municipal Public Security Bureau.
The main drafters of this document. Huang Kejian, Yang Ning, Liu Xiaofeng, Qiao Wentao, Mei Hongcheng, Liu Zhanfang, Zhao Xiaolei, Yan Xiaojun, Zhang Qiang, Meng Tengteng,
Hu Kun, Yang Lunkun.
Forensic Science Shooting Residues and Propellants
Testing of 5 organic components including diphenylamine
Gas Chromatography-Mass Spectrometry
1 Scope
This document stipulates 2,6-dinitrotoluene, 2,4-dinitrotoluene, diphenylamine, toluene, and toluene in propellants and shooting residues in the field of forensic science.
Gas chromatography-mass spectrometry (GC-MS) and gas chromatography-tandem mass spectrometry (GC-MS/MS) of five organic components including base neutralizing agent and ethyl neutralizing agent
Qualitative testing methods.
This document applies to 2,6-dinitrotoluene, 2,4-dinitrotoluene, diphenylamine, and toluene in propellants and shooting residues in the field of forensic science.
Qualitative analysis of five organic components including base neutralizing agent and ethyl neutralizing agent.
2 Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations
For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to
this document.
GB/T 14666 Analytical Chemistry Terminology
GJB170A propellant naming rules
GA/T 242 Terminology for physical and chemical examination of trace evidence in forensic science
3 Terms and definitions
The terms and definitions defined in GB/T 14666, GJB170A and GA/T 242 apply to this document.
4 Principles
To extract the organic components in the shooting residue (see Appendix A for basic information on the compounds), use gas chromatography-mass spectrometry or gas chromatography.
Spectrum-tandem mass spectrometry detection uses retention time, mass spectrum characteristic ions and ion abundance ratio as the basis for qualitative judgment.
5 Reagents and materials
5.1 Reagents
The reagents used in the analysis are all chromatographically pure and include.
a) Acetone;
b) Standard solution.
1) Standard material stock solution. 1.0 mg/mL standard material stock solution, frozen and stored below -18°C, valid for 12 months;
2) Standard material working solution.
---Mixed standard working solution for qualitative use. Pipette appropriate amounts of each standard material stock solution and prepare it with acetone to 500ng/mL.
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