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GA/T 1644-2019: Forensic sciences--Examination methods for methcathinone, cathinone and mephedrone in suspected drugs--LC-MS
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Forensic sciences--Examination methods for methcathinone, cathinone and mephedrone in suspected drugs--LC-MS
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GA/T 1644-2019
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Basic data | Standard ID | GA/T 1644-2019 (GA/T1644-2019) | | Description (Translated English) | Forensic sciences--Examination methods for methcathinone, cathinone and mephedrone in suspected drugs--LC-MS | | Sector / Industry | Public Security (Police) Industry Standard (Recommended) | | Classification of Chinese Standard | A92 | | Classification of International Standard | 13.310 | | Word Count Estimation | 14,128 | | Date of Issue | 2019 | | Date of Implementation | 2019-12-01 | | Issuing agency(ies) | Ministry of Public Security | GA/T 1644-2019: Forensic sciences--Examination methods for methcathinone, cathinone and mephedrone in suspected drugs--LC-MS
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Forensic sciences--Examination methods for methcathinone, cathinone and mephedrone in suspected drugs--LC-MS
ICS 13.310
A92
Public Safety Industry Standards of the People's Republic of China
Forensic science suspects that methylcarbazone, ketoxone, and
4-methylmethacinone test liquid chromatography-mass spectrometry
Published on October 14,.2019
2019-12-01 Implementation
Issued by the Ministry of Public Security of the People's Republic of China
Foreword
This section was drafted in accordance with the rules given in GB/T 1.1-2009.
Please note that some content of this document may involve patents. The issuer of this document does not assume responsibility for identifying these patents.
This part is proposed by the National Criminal Technology Standardization Technical Committee Toxic Analysis Sub-Committee (SAC/TC179/SC1) and
Be in charge.
This standard was drafted by. Physical Evidence Appraisal Center of the Ministry of Public Security, Fujian Provincial Public Security Department.
The main drafters of this standard. Chang Ying, Gao Lisheng, Li Hangqi, Zheng Hun, Zhang Chunshui, Zhao Yang, He Jianfeng, Zhai Wanfeng, Huang Xing, Liu Kelin, Li Peng,
Zhao Yanbiao, Zheng Xiaoyu, Yang Hongxian, Xu Peng, Qian Zhenhua.
Forensic science suspects that methylcarbazone, ketoxone, and
4-methylmethacinone test liquid chromatography-mass spectrometry
1 Scope
This standard specifies the liquid chromatography-mass spectrometry (LC-mass spectrometry (LC-
MS) Qualitative test method and quantitative test method.
This standard is applicable to the qualitative analysis of methylcarbazone, cathinone, and 4-methylmethylcarbazone in in vitro samples of suspected drugs in the field of forensic science
And quantitative analysis.
2 Normative references
The following documents are essential for the application of this document. For dated references, only the dated version applies to this article
Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document.
GB/T 4883-2008 Statistical processing of data and interpretation of judgment and processing of outliers of normal samples
GB/T 6682 Analysis laboratory water specifications and test methods
GA/T 122 Nomenclature of poison analysis
JJF1059.1-2012 Evaluation and expression of measurement uncertainty
3 Terms and definitions
The terms and definitions defined in GA/T 122 apply to this document.
4 Principle
For methylcarbazone in the suspected drug samples (see Figure A.1 for structural formula), cathinone (see Figure A.2 for structural formula) and 4-methylmethacin
The ketone (see Figure A.3 for structural formula) is extracted. Using liquid chromatography-mass spectrometry detection, with retention time, mass spectrometry characteristic ion fragment peaks and ions
The abundance ratio is used as the basis for qualitative judgment, and the quantitative analysis is performed by the external standard single-point method.
5 Reagents and materials
5.1 Reagent
The experimental water shall comply with the first-grade water specified in GB/T 6682.Unless otherwise stated, the reagents used in the analysis are chromatographically pure,
Reagents include.
a) Acetonitrile;
b) methanol;
c) formic acid;
d) Standard solution.
1) Standard substance solution. 1.0 mg/mL methylcarbazone, cathinone, and 4-methylmethacetone and other three standard substance solutions;
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