GB/T 40991-2021 English PDF

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GB/T 40991-2021: Collecting and packaging methods for trace evidence
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 40991-2021	249	Add to Cart	3 days	Collecting and packaging methods for trace evidence	Valid

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Basic data

Standard ID: GB/T 40991-2021 (GB/T40991-2021)
Description (Translated English): Collecting and packaging methods for trace evidence
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A92
Word Count Estimation: 13,185
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 40991-2021: Collecting and packaging methods for trace evidence

---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.
Collecting and packaging methods for trace evidence ICS 13.310 CCSA92 National Standards of People's Republic of China Extraction and packaging method of trace material evidence Released on 2021-11-26 2022-03-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

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" Drafting. Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents. This document was 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). Drafting organizations of this document. The Material Evidence Appraisal Center of the Ministry of Public Security, Beijing Municipal Public Security Judicial Appraisal Center, Guangdong Provincial Public Security Department, Wuhan Municipal Public Security Judicial Identification Center, Shandong Provincial Public Security Department Material Evidence Identification Research Center, Shanxi Provincial Public Security Department, Xinjiang Uygur Autonomous Region Public Security Department Material Evidence Identification Center, Kyrgyzstan Forestry Provincial Public Security Department Material Evidence Identification Center, Heilongjiang Provincial Public Security Department Criminal Technology Corps, Guangxi Zhuang Autonomous Region Public Security Department Criminal Science and Technology Research Management 理理中心. The main drafters of this document. Zhu Jun, Guo Hongling, Quanyangke, Li Shenglin, Liu Weiguo, Zhang Hongqi, Hao Suyuan, Yang Yuefei, Guo Jisen, Xie Wenlin, Zhang Jilin, Li Hongsen, Liu Minghui, Liang Ying, Pei Maoqing, Chen Chengxian, Li Xin, Jiang Hua, Wei Chuice, Li Yunzhi, Zhang Dalei, Mei Hongcheng, Wang Ping, Li Juan, Liu Huijuan, Ren Li, Wu Mingjian. Extraction and packaging method of trace material evidence

1 Scope

This document specifies fiber, glass, grease, metal, soil, explosive residue, flammable liquid residue, shooting residue, paint, rubber Extraction and packaging methods of trace material evidence such as plastics and plastics. This document is applicable to the extraction and packaging of trace material evidence.

2 Normative references

The content of the following documents constitutes an indispensable clause of this document through normative references in the text. Among them, dated quotations 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. GA/T 242 The terminology of physical and chemical examination of trace evidence in forensic science

3 Terms and definitions

The terms and definitions defined in GA/T 242 are applicable to this document.

4 Reagents and materials

4.1 Reagents The reagents include. a) Ether (C4H10O, analytical pure); b) n-hexane (C6H14, analytically pure); c) Acetone (C3H6O, analytical grade); d) Deionized water. 4.2 Materials Materials include. a) Special tape for extracting trace evidence; b) Special sampling table and special sample box for shooting residue; c) Scanning electron microscope sample stage and conductive tape; d) Diamond knife; e) glass slide; f) Scotch tape; g) magnet; h) Hard box; i) straws (glass straws); j) Glass test tube or glass sample bottle; ......

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