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GB/T 37272-2018: Determination of 11-nor-9-carboxy-delta-9-tetrahydrocannabinol in urine -- Liquid chromatography-tandem mass spectrometry method
Status: Valid
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Determination of 11-nor-9-carboxy-delta-9-tetrahydrocannabinol in urine -- Liquid chromatography-tandem mass spectrometry method
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GB/T 37272-2018
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Basic data | Standard ID | GB/T 37272-2018 (GB/T37272-2018) | | Description (Translated English) | Determination of 11-nor-9-carboxy-delta-9-tetrahydrocannabinol in urine -- Liquid chromatography-tandem mass spectrometry method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | C06 | | Classification of International Standard | 11.020 | | Word Count Estimation | 10,165 | | Date of Issue | 2018-12-28 | | Date of Implementation | 2019-04-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 37272-2018: Determination of 11-nor-9-carboxy-delta-9-tetrahydrocannabinol in urine -- Liquid chromatography-tandem mass spectrometry method
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Determination of 11--nor--9--carboxy--delta--9--tetrahydrocannabinol in urine--Liquid chromatography--tandem mass spectrometry method
ICS 11.020
C06
National Standards of People's Republic of China
Determination of Δ9-tetrahydrocannamic acid in urine
Liquid chromatography-tandem mass spectrometry
Published on.2018-12-28
Implementation of.2019-04-01
State market supervision and administration
China National Standardization Administration issued
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed and managed by the Ministry of Justice of the People's Republic of China.
This standard was drafted. Forensic Science Research Institute.
The main drafters of this standard. Zhuo Xianyi, Xiang Ping, Liu Wei, Yan Hui, Shen Baohua, Ma Dong, Shi Wei, Shen Min.
Determination of Δ9-tetrahydrocannamic acid in urine
Liquid chromatography-tandem mass spectrometry
1 Scope
This standard specifies the liquid chromatography-tandem mass spectrometry (LC-MS-MS) method for the determination of Δ9-tetrahydrocannamic acid in urine.
This standard applies to the qualitative analysis and quantitative analysis of Δ9-tetrahydrocannamic acid in urine.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 6682 Analytical laboratory water specifications and test methods
GA/T 122 Toxic Analysis Terminology
3 Terms and definitions
The terms and definitions defined by GA/T 122 apply to this document.
4 Principle
In the urine, Δ9-tetrahydrocannanic acid is hydrolyzed under alkaline conditions, and then extracted under acidic conditions with an organic solvent, using liquid chromatography-tandem
Mass spectrometry was performed.
5 reagents or materials
The reagents used are analytically pure reagents unless otherwise specified; water is primary water in accordance with GB/T 6682; reagents and materials
include.
a) n-hexane.
b) Ethyl acetate.
c) Acetonitrile. HPLC grade.
d) Formic acid. excellent grade.
e) Ammonium acetate. chromatographically pure.
f) Glacial acetic acid. excellent grade pure.
g) 20mmol/L ammonium acetate solution. Take 1.54g of ammonium acetate, put it in a 1000mL volumetric flask, add appropriate amount of water, add 2.0mL of formic acid,
Add water to the mark and shake well.
h) 1mol/L sodium hydroxide solution. Take 4.0g of sodium hydroxide and dissolve it with 100mL of water.
i) 1mol/L hydrochloric acid solution. Take 20.8mL of concentrated hydrochloric acid and dilute to 250mL with water.
j) Δ9-tetrahydrocannabinic acid reference solution. a commercially available 100 μg/mL methanol solution, stored in a freezer in a refrigerator. Save time is
12 months.
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