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Forensic sciences--Examination methods for five chlordiazepam substances including 2′-chlordiazepam in biological samples--LC-MS
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Basic data
| Standard ID | GA/T 2069-2023 (GA/T2069-2023) |
| Description (Translated English) | Forensic sciences--Examination methods for five chlordiazepam substances including 2��-chlordiazepam in biological samples--LC-MS |
| Sector / Industry | Public Security (Police) Industry Standard (Recommended) |
| Classification of Chinese Standard | A92 |
| Classification of International Standard | 13.310 |
| Word Count Estimation | 19,117 |
| Date of Issue | 2023-03-01 |
| Date of Implementation | 2023-12-01 |
| Issuing agency(ies) | Ministry of Public Security |
GA/T 2069-2023: Forensic sciences--Examination methods for five chlordiazepam substances including 2′-chlordiazepam in biological samples--LC-MS
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ICS 13:310
CCSA92
People's Republic of China Public Security Industry Standards
2'-chlordiazepam in forensic biological samples
Test of 5 chlorinated diazepam substances
Liquid Chromatography-Mass Spectrometry
Released on 2023-03-01
2023-12-01 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 submitted by the Criminal Investigation Bureau of the Ministry of Public Security:
This document is under the jurisdiction of the National Criminal Technology Standardization Technical Committee Toxic Analysis Sub-Technical Committee (SAC/TC179/SC1):
This document was drafted by: Hefei Public Security Bureau, People's Public Security University of China, Nanjing Public Security Bureau, Criminal Investigation Bureau of Guangdong Public Security Bureau, Guizhou Province
Criminal Investigation Team of Public Security Department, Criminal Investigation Team of Public Security Department of Guangxi Zhuang Autonomous Region, Criminal Technology Team of Public Security Department of Heilongjiang Province, Public Security Bureau of Hunan Province
Public Security Bureau Criminal Investigation Team, China Criminal Police College, Guangzhou Public Security Bureau, Dongguan Public Security Bureau, Chengdu Public Security Bureau, Sichuan University, Shanxi Public Security Bureau
Office, Criminal Investigation Corps of Shanghai Public Security Bureau, Hangzhou Public Security Bureau, Guiyang Public Security Bureau, Zunyi Public Security Bureau, Bijie Public Security Bureau, Nanjing Public Security Bureau
Public Security Bureau, Inner Mongolia Autonomous Region Public Security Bureau Criminal Investigation Corps, Shandong Provincial Public Security Bureau Criminal Investigation Bureau, Qingdao Municipal Public Security Bureau, Zibo Municipal Public Security Bureau, Japan
Zhao City Public Security Bureau, Dezhou Public Security Bureau, Chongqing Municipal Public Security Bureau Criminal Investigation Corps:
The main drafters of this document: Song Xin, Lian Jie, Zheng Xinyong, Zhang Zhonghui, Wang Long, Pei Maoqing, Wang Lixiong, Huang Kejian, Yu Weibiao, Wu Hai,
Chen Xueguo, Zhu Huanhui, Zhang Lei, Wang Yongqing, Ye Yi, Zhang Gaoqin, Wu Zhongping, Li Xiaofei, Wang Yi, Yi Yueqing, Juniper, Wang Wei, Zhang Qiang, Zhang Guanghua,
Guo Jie, Li Peng, Yuan Chao, Hu Kun, Shi Yintao:
2'-chlordiazepam in forensic biological samples
Test of 5 chlorinated diazepam substances
Liquid Chromatography-Mass Spectrometry
1 Scope
This document specifies 2'-chlordiazepam and other 5 chlorodiazepam substances in biological samples (blood, urine, liver) in the field of forensic science
Liquid chromatography-triple quadrupole mass spectrometry (LC-TQ/MS) and liquid chromatography-high resolution mass spectrometry (LC-HRMS) inspection methods:
This document is applicable to 2'-chlordiazepam and other 5 chlorodiazepam substances in biological samples (blood, urine, liver) in the field of forensic science
Qualitative and quantitative analysis by liquid chromatography-triple quadrupole mass spectrometry, and qualitative analysis by liquid chromatography-high resolution mass spectrometry: Other checks
Materials can be used by reference:
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 122 Toxicological Analysis Terminology
3 Terms and Definitions
The terms and definitions defined in GA/T 122 apply to this document:
4 principles
Using the blank sample and the added sample as a control, according to the requirements of parallel operation, the five chlorodiazepam in biological samples (blood, urine, liver)
Pan-like substances (see Appendix A for the basic information of the compounds) were extracted, purified and concentrated: detected by liquid chromatography-triple quadrupole mass spectrometry,
The retention time, mass spectrum characteristic ion pair and ion pair abundance ratio were used as the basis for qualitative judgment; the chromatographic peak area was used as the quantitative basis, and the external standard -
Single-point calibration method or external standard-calibration curve method for quantitative analysis: Or use liquid chromatography-high resolution mass spectrometry to detect, with retention time, precursor
The exact mass of ions and characteristic ions of MS/MS were used as the basis for qualitative judgment:
5 Reagents and Materials
5:1 Reagents
The experimental water should meet the first-class water specified in GB/T 6682: Unless otherwise stated, all reagents used in the analysis were chromatographically pure:
Reagents include:
a) Methanol;
b) acetonitrile;
c) ethyl acetate;
...
