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Forensic sciences--Examination methods for nine barbiturates including barbital in biological samples--LC-MS
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Basic data
| Standard ID | GA/T 2067-2023 (GA/T2067-2023) |
| Description (Translated English) | Forensic sciences--Examination methods for nine barbiturates including barbital 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 | 18,190 |
| Date of Issue | 2023-03-01 |
| Date of Implementation | 2023-12-01 |
| Issuing agency(ies) | Ministry of Public Security |
GA/T 2067-2023: Forensic sciences--Examination methods for nine barbiturates including barbital in biological samples--LC-MS
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ICS 13:310
CCSA92
People's Republic of China Public Security Industry Standards
Nine species including barbiturates in forensic science biological samples
Liquid chromatography-mass spectrometry for the detection of barbiturates
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 proposed by the National Criminal Technology Standardization Technical Committee Toxic Analysis Sub-Technical Committee (SAC/TC179/SC1) and submitted
Focus on:
This document was drafted by: Department of Forensic Medicine, School of Basic Medicine, Fudan University, Shanghai Municipal Public Security Bureau Evidence Identification Center:
The main drafters of this document: Rao Yulan, Lin Zebin, Huang Zhibin, Zhang Xinyu, Zhang Yurong, Liang Chen:
Nine species including barbiturates in forensic science biological samples
Liquid chromatography-mass spectrometry for the detection of barbiturates
1 Scope
This document specifies the liquid chromatography-mass spectrometry (LC-
MS) test method:
This document is applicable to the qualitative analysis and quantitative analysis of 9 barbiturates including barbiturates in biological samples (blood) in the field of forensic science:
analysis: Other test materials can be used as 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, 9 kinds of barbiturates (compounds) in biological samples (blood) were tested:
For the basic information of the substance, see Appendix A) for extraction, purification and concentration: Detection by liquid chromatography-mass spectrometry, retention time, mass spectrometric characteristic ions
The abundance ratio of pair and ion pair was used as the basis for qualitative judgment; the chromatographic peak area ratio was used as the basis for quantification, and internal standard-single-point calibration method or internal standard-calibration
Quantitative analysis was performed by the quasi-curve method:
5 Reagents and Materials
5:1 Reagents
The experimental water should meet the first-class water specified in GB/T 6682: Unless otherwise stated, the reagents used in the analysis were of analytical grade:
Reagents include:
a) Methanol;
b) Acetonitrile: chromatographically pure;
c) Extraction solvent (take the preparation of 100mL as an example): measure 90mL of ethyl acetate and 10mL of n-hexane, and mix well;
d) 0:1mol/L hydrochloric acid solution (take the preparation of 100mL as an example): pipette 0:82mL concentrated hydrochloric acid (analytical pure, mass fraction 36%~
38%), dilute with water and dilute to 100mL, mix well;
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