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GB/T 41845-2022 English PDF

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GB/T 41845-2022: Forensic sciences - Code of practice for identification of propellant and explosive
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PDF similar to GB/T 41845-2022


Standard similar to GB/T 41845-2022

GB/T 28181   GA/T 1788.2   GA/T 424   GB/T 41846   GB/T 41844   

Basic data

Standard ID GB/T 41845-2022 (GB/T41845-2022)
Description (Translated English) Forensic sciences - Code of practice for identification of propellant and explosive
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard A92
Classification of International Standard 07.140
Word Count Estimation 26,227
Date of Issue 2022-10-14
Date of Implementation 2023-02-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 41845-2022: Forensic sciences - Code of practice for identification of propellant and explosive


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Forensic sciences -- Code of practice for identification of propellant and explosive ICS 07.140 CCSA92 National Standards of People's Republic of China Forensic Science Explosives Appraisal Procedures andexplosive Published on 2022-10-12 2023-02-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4.Appraisal procedures, determination principles and appraisal opinions of explosives and explosives 1 4.1 Qualification procedure 1 4.2 Appearance and Morphology Inspection 2 4.3 Judgment of composition characteristics 2 4.4 Gunpowder combustion performance test 2 4.5 Explosive performance test of explosives 2 4.6 Explosive performance test of other explosive substances 3 4.7 Diaphragm Test, Kernan Test and Time/Pressure Test 3 4.8 Determination principle of explosives 3 4.9 Determination principle of explosive performance of other explosive substances 4 4.10 Expert opinion 4 5 Explosion performance inspection of explosives 4 5.1 Gunpowder Combustion Performance Test 4 5.2 Explosion performance inspection of explosives 5 5.3 Explosive performance test of other explosive substances 8 5.4 Diaphragm test, Kernan test and time/pressure test 10 Appendix A (Informative) Appearance of Common Gunpowder 12 Appendix B (Informative) Appearance of Common Explosives 16 Reference 23

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 of Standardization Documents" drafted. Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by the Ministry of Public Security of the People's Republic of China. This document is under the jurisdiction of the National Criminal Technology Standardization Technical Committee (SAC/TC179). This document is drafted by. Physical Evidence Identification Center of the Ministry of Public Security, Criminal Investigation Bureau of the Ministry of Public Security, Nanjing University of Science and Technology, Xi'an Institute of Modern Chemistry. The main drafters of this document. Sun Yuyou, Zhu Jun, Zhang Jifeng, Fan Wulong, Mei Hongcheng, Guo Hongling, Pan Yanhui, Li Hongyu, Cheng Guimin, Zhang Jinpeng, Xie Yongxun, Hu Can, Zhang Guannan, Wang Ping, Shi Haixu, Niu Yong, Miao Guohua, Wang Yongcan, Pan Feng, Lei Kang, Gao Ping, Qian Hua, Bei Fengli, Zhang Gao, Su Pengfei, Lu Dianlin. Forensic Science Explosives Appraisal Procedures

1 Scope

This document establishes the procedures and procedures for the identification of suspected explosive samples in the field of forensic science, and describes the methods for testing suspected explosive samples. Law and Judgment Basis. This document applies to the identification of suspected explosive samples in the field of forensic science (determination of explosives containing explosives and explosives and other suspected explosions) Substance explosion performance test), other fields can also refer to use.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB/T 14372-2013 Approval and sub-test methods of explosives for transport of dangerous goods GB/T 41775 Forensic Science Explosives Identification Terms

3 Terms and Definitions

Terms and definitions defined in GB/T 41775 apply to this document. 4.Appraisal procedures, determination principles and appraisal opinions of explosives 4.1 Qualification procedure As shown in Figure 1, the identification procedure is divided into three stages. appearance and morphology inspection, composition characteristics judgment and explosion performance test. when suspected explosives When the composition of the sample conforms to the characteristics of the main components of the explosive, the identification opinion of the explosive is given in combination with the test results of the explosive performance; When the composition of the product does not meet the characteristics of the main components of the explosive, the explosion performance test shall be carried out.

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