GB/T 41846-2022Forensic sciences—Code of practice for identification of initiator and pyrotechnic composition (English PDF)
法庭科学 火工品鉴定规程
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
October 14, 2022
Implementation date
February 1, 2023
Scope
GB/T 41846-2022 is the English-translated version of 法庭科学 火工品鉴定规程.
GB/T 41846-2022 is the code of practice forensic laboratories follow when identifying suspected initiating devices and pyrotechnic compositions.
Clause 4.1 sets the steps: a suspected detonator goes through sampling, appearance and morphology examination, internal structure examination, analysis as a standard or non-standard detonator and an explosive test and/or examination of the charge composition; a suspected fuse or detonating cord through appearance, structure and core composition examination; and a suspected electric igniter through sampling, appearance examination, a flammability test, internal structure examination and examination of the composition.
Clause 1 adds that the functional test methods it describes apply only to industrial detonators. Its contents list covers those functional inspections and three appendices of appearances and internal structures. Issued on 14 October 2022, it has applied since 1 February 2023.
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Document preview — GB/T 41846-2022
National Standard of the People's Republic of China
- ICS
- 07.140
- Classification
- A 92
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Preface
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 Pyrotechnics identification
- 4.1 Qualification procedure
- 4.2 Detonator identification
- 4.3 Identification of fuses and detonating cords
- 4.4 Identification of electric point (priming) burner
- 5 Functional inspection of pyrotechnics
- 5.1 Inspection procedure
- 5.2 Principle
- 5.3 Detonator Detonation Function Inspection
- 5.4 Inspection of fuse fire transmission function
- 5.5 Inspection of detonating cord detonation function
- Appendix A (Informative) Appearance and Internal Structure of Common Detonators
- Appendix B (informative) Appearance and structure of common fuses and detonating cords
- Appendix C (Informative) Appearance and Internal Structure of Common Electric Point (Pilot) Burners
- Reference
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.
1 Scope
This document establishes the identification procedures and steps of suspected explosives commonly used in the field of forensic science, and describes the inspection methods and procedures for suspected explosives. Judgment basis.
This document is applicable to the identification and functional testing of suspected detonators, fuses, detonating cords and electric (priming) burners in the field of forensic science (the The function test method is only applicable to industrial detonators), and other fields can also be used for reference.
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 13226 Industrial Detonator Lead Plate Test Method
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 Pyrotechnics identification
4.1 Qualification procedure
The identification of suspected pyrotechnics is carried out as shown in Figure 1. Among them, the identification procedures of suspected detonator samples are divided into sampling, appearance and morphology inspection, internal Structural inspection, standard and non-standard detonator analysis, explosive test or (and) charge composition inspection 5 steps; suspected fuse samples and suspected The identification procedure of the detonating cord sample is divided into three steps. appearance inspection, structural inspection and core composition inspection; the sample of suspected electric point (priming) fire head The identification procedure is divided into five steps. sampling, appearance inspection, flammability test, internal structure inspection and pharmaceutical composition inspection.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 18 pages — is available in the English PDF.
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Related Standards
GB/T 13226-1991 — Lead plate test for industrial detonator
GB/T 41775-2022 — Forensic sciences—Terminology for explosive identification
GB/T 7251.4-2026 — Low-voltage switchgear and controlgear assemblies - Part 4: Particular requirements for assemblies for construction sites (ACS)
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