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GA/T 2127-2024: Forensic sciences-Examination methods for 5 fentanyl analogs and metabolites including fentanyl in water samples - LC-MS
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Forensic sciences-Examination methods for 5 fentanyl analogs and metabolites including fentanyl in water samples - LC-MS
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GA/T 2127-2024
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Basic data | Standard ID | GA/T 2127-2024 (GA/T2127-2024) | | Description (Translated English) | Forensic sciences-Examination methods for 5 fentanyl analogs and metabolites including fentanyl in water samples - LC-MS | | Sector / Industry | Public Security (Police) Industry Standard (Recommended) | | Classification of Chinese Standard | A92 | | Classification of International Standard | 07.140 | | Word Count Estimation | 17,186 | | Date of Issue | 2024-01-30 | | Date of Implementation | 2024-03-01 | | Issuing agency(ies) | Ministry of Public Security | | Summary | This standard specifies the liquid chromatography-mass spectrometry (LC-MS) test method for fentanyl, desphenethylfentanyl, acetylfentanyl, desphenethylacetylfentanyl and 4-anilino-N-phenethylpiperidine in water samples (sewage, surface water, etc.) in the field of forensic science. This standard is applicable to the qualitative and quantitative analysis of 5 fentanyl-like substances and metabolites (hereinafter referred to as "5 target substances") in water samples (sewage, surface water, etc.) in the field of forensic science. Other test materials can be used for reference. | GA/T 2127-2024: Forensic sciences-Examination methods for 5 fentanyl analogs and metabolites including fentanyl in water samples - LC-MS
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ICS 07.140
CCSA92
Public Security Industry Standard of the People's Republic of China
Fentanyl and five other fentanyl compounds in forensic water samples
Substance and metabolite analysis by liquid chromatography-mass spectrometry
Released on 2024-01-30
2024-03-01 Implementation
The Ministry of Public Security of the People’s Republic of China issued
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 of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed and coordinated by the National Technical Committee for Criminal Technology Standardization (SAC/TC179).
This document was drafted by. the Anti-Drug Intelligence Technology Center of the Ministry of Public Security, Sichuan Drug Monitoring Technology Center (Sichuan Branch of the National Drug Laboratory
Center), Guiyang Public Security Bureau Drug Testing Center.
The main drafters of this document are. Zhang Tingting, Hua Zhendong, Yan Jin, Jia Wei, Li Jing, Xu Buyi, Chen Yuemeng, and An Chen Yunyi.
Fentanyl and five other fentanyl compounds in forensic water samples
Substance and metabolite analysis by liquid chromatography-mass spectrometry
1 Scope
This document specifies the presence of fentanyl, desphenethylfentanyl, acetylfentanyl, desphenethylfentanyl and fentanyl in water samples (sewage, surface water, etc.) in the field of forensic science.
Liquid chromatography-mass spectrometry (LC-MS) method for the determination of 4-anilino-N-phenethylpiperidine.
This document applies to the five fentanyl-like substances and their metabolites (hereinafter referred to as the “five fentanyl-like substances”) in water samples (sewage, surface water, etc.) in the field of forensic science.
Other samples can be used for reference.
2 Normative references
The contents of the following documents constitute essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 6682 Specifications and test methods for water used in analytical laboratories
GA/T 122 Terminology of Toxicological Analysis
3 Terms and definitions
The terms and definitions defined in GA/T 122 apply to this document.
4 Principle
Using blank samples and spiked samples as controls, the five target substances (basic information of compounds) in water samples were analyzed according to the requirements of parallel operation.
See Appendix A) for extraction, purification and concentration, and detection by liquid chromatography-mass spectrometry, based on retention time, mass spectrometry characteristic ion pairs and ion pair abundance.
The concentration ratio was used as the basis for qualitative judgment; the internal standard calibration curve method was used for quantitative analysis based on the chromatographic peak area ratio.
5 Reagents and Materials
5.1 Reagents
The water used in the experiment should comply with the first-grade water specified in GB/T 6682.Unless otherwise specified, all reagents used in the analysis were chromatographically pure.
Reagents include.
a) Concentrated hydrochloric acid. analytical grade, mass fraction 36%~38%;
b) Drinking water. tap water;
c) 5% ammonia methanol solution (taking 1000 mL as an example). measure 50 mL of concentrated ammonia (mass fraction 25%) and dilute it with methanol.
And make up to 1000mL, mix well;
d) 30% ammonium acetate solution (taking 100 mL as an example). weigh 30 g of ammonium acetate, dissolve it in water and make up to 100 mL, mix well;
e) 0.1% formic acid solution (taking 1000 mL as an example). Pipette 1.0 mL of formic acid, dilute with water and make up to 1000 mL, ultrasonically
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