GA/T 1638-2019 English PDF

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GA/T 1638-2019: Forensic sciences - Examination methods for four benzodiazepines including diazepam and their metabolites in urine samples - GC-MS
Status: Valid

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Basic data

Standard ID: GA/T 1638-2019 (GA/T1638-2019)
Description (Translated English): Forensic sciences - Examination methods for four benzodiazepines including diazepam and their metabolites in urine samples - GC-MS
Sector / Industry: Public Security (Police) Industry Standard (Recommended)
Classification of Chinese Standard: A92
Classification of International Standard: 13.310
Word Count Estimation: 14,115
Date of Issue: 2019
Date of Implementation: 2019-12-01
Issuing agency(ies): Ministry of Public Security

GA/T 1638-2019: Forensic sciences - Examination methods for four benzodiazepines including diazepam and their metabolites in urine samples - GC-MS

---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.
Forensic sciences - Examination methods for four benzodiazepines including diazepam and their metabolites in urine samples - GC-MS ICS 13.310 A92 Public Safety Industry Standard of the People's Republic of China Forensic science urine diazepam and other four benzophenes Inspection of diaza drugs and their metabolites Gas 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 standard 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 standard was proposed by the National Toxic Analysis Sub-Committee of Criminal Technology Standardization Technical Committee (SAC/TC179/SC1) and Be in charge. This standard was drafted by. Shanghai Municipal Public Security Bureau Physical Evidence Evaluation Center, Ministry of Public Security Material Evidence Evaluation Center. The main drafters of this standard. Wang Rong, Zhang Yurong, Liang Chen, Yu Zhongshan, Wang Fanglin. Forensic science urine diazepam and other four benzophenes Inspection of diaza drugs and their metabolites Gas chromatography-mass spectrometry

1 Scope

This standard specifies diazepam, triazolam, alprazolam, midazolam and their metabolites N-desmethyldiazepam, Qualitative testing methods for gas chromatography-mass spectrometry (GC-MS) of temazepam, α-hydroxytriazolam, α-hydroxyalprazolam and α-hydroxymidazolam. This standard applies to diazepam, triazolam, alprazolam, midazolam and their metabolites N-desmethyldiazepam, Qualitative analysis of temazepam, α-hydroxytriazolam, α-hydroxyalprazolam and α-hydroxymidazolam.

2 Normative references

The following documents are essential for the application of this document. For dated reference documents, 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 6682 Analysis of laboratory water specifications and test methods GA/T 122 Nomenclature of poison analysis

3 Terms and definitions

The terms and definitions defined in GA/T 122 apply to this document.

4 Principle

Using a blank sample as a control, diazepam-D5 or doxapram as an internal standard, the urine sample was extracted by liquid-liquid extraction or solid-phase extraction. After purification and concentration, or after derivatization, gas chromatography-mass spectrometry is used to determine the retention time, mass spectrometry fragment ion peak and relative abundance ratio As a basis for qualitative judgment.

5 Reagents and materials

5.1 Reagents The water used for the experiment should conform to the tertiary water specified in GB/T 6682.The reagents used in the analysis are all analytically pure. The reagents include. a) methanol; b) benzene; c) ethyl acetate; d) methylene chloride; e) ammonia; f) pyridine; g) acetic anhydride; ......

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