GB/T 23407-2009 English PDF

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GB/T 23407-2009: Determination of royal jelly nitroimidazole residues of drugs and their metabolites by liquid chromatography-mass spectrometry / mass spectrometry
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 23407-2009	229	Add to Cart	3 days	Determination of royal jelly nitroimidazole residues of drugs and their metabolites by liquid chromatography-mass spectrometry / mass spectrometry	Valid

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Basic data

Standard ID: GB/T 23407-2009 (GB/T23407-2009)
Description (Translated English): Determination of royal jelly nitroimidazole residues of drugs and their metabolites by liquid chromatography-mass spectrometry / mass spectrometry
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B47
Classification of International Standard: 67.050
Word Count Estimation: 10,110
Date of Issue: 2009-03-28
Date of Implementation: 2009-07-01
Regulation (derived from): National Standard Approval Announcement 2009 No.4 (Total No.144)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the royal jelly metronidazole (referred to MNZ, the same below), dimetridazole (referred to as DMZ, the same below) and its metabolites object 2-hydroxymethyl-1-methyl-5-nitroimidazole (referred to as HMMNI, the same below), isopropyl metronidazole (referred IPZ, the same below) and its metabolite 2-(2-hydroxy propyl) -1-methyl-5-nitroimidazole (referred IPZOH), Los nitrate da azole (referred RNZ, the same below) the amount of residual liquid chromatography-tandem mass spectrometry determination. The above nitroimidazoles English name, Structure, CAS number and relative molecular mass See Appendix A. This standard applies to the determination of drugs and their metabolites nitroimidazole residues in royal jelly.

GB/T 23407-2009: Determination of royal jelly nitroimidazole residues of drugs and their metabolites by liquid chromatography-mass spectrometry / mass spectrometry

---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.
Determination of royal jelly nitroimidazole residues of drugs and their metabolites by liquid chromatography - mass spectrometry/mass spectrometry ICS 67.050 B47 National Standards of People's Republic of China Royal jelly and nitroimidazoles Determination of metabolite residues Liquid chromatography - mass spectrometry/mass spectrometry Posted 2009-03-28 2009-07-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The Standard Appendix A, Appendix B, Appendix C and Appendix D is an informative annex. This standard is proposed and managed by the State Administration of Quality Supervision Inspection and Quarantine of People's Republic of China. This standard was drafted. People's Republic of China Jiangsu Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. Ding Tao, Wu Bin, Xu Jinzhong, Zhang Xiaoyan, Zhang Jing, Yang Annan, Guo Ling, Jiang Yuan, Wang Jin Tao. Royal jelly and nitroimidazoles Determination of metabolite residues Liquid chromatography - mass spectrometry/mass spectrometry

1 Scope

This standard specifies the royal jelly metronidazole (referred to MNZ, the same below), dimetridazole (referred to as the DMZ, the same below) and its metabolite, 2-hydroxyethyl 1-methyl-5-nitroimidazole (referred HMMNI, the same below), isopropyl metronidazole (referred IPZ, hereinafter the same) and its metabolite of 2- (2-hydroxy-isopropyl) - 1-methyl-5-nitro-imidazole (referred IPZOH), Ronidazole (referred RNZ, the same below) the residual amount of liquid chromatography - tandem mass spectrometry determination of party law. Said nitroimidazoles English name, structural formula, CAS Number and molecular weight Appendix A. This standard applies to the determination of drugs and their metabolites nitroimidazole residues in royal jelly.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD)

3 Method summary

Adding the appropriate internal standard sample, dissolved in sodium hydroxide solution, extracted with ethyl acetate nitroimidazoles and their metabolites, rich cation column Set purification by liquid chromatography - tandem mass spectrometer, gradient, internal standard.

4 Reagents and materials

Unless otherwise noted, all reagents were of analytical grade water as a water GB/T 6682 regulations. 4.1 Methanol. HPLC grade. 4.2 acetonitrile. 4.3 ethyl acetate. Ammonium acetate 4.4. HPLC grade. 4.5 Sodium hydroxide solution. 0.25mol/L. 4.6 formic acid (85%). 4.7 Ammonia (28%). 4.8 cation exchange column (PCX). 60mg, 3mL. Formic acid in acetonitrile 4.9. measure the amount of formic acid (4.6) in an appropriate amount of acetonitrile (4.2) in a concentration of 10% (volume fraction). 4.10 ammonia methanol solution. to measure the amount of ammonia (4.7) in an appropriate amount of methanol (4.1) at a concentration of 5% (volume fraction). 4.11 isotope internal standard. DMZ-D3, IPZOH-D3, HMMNI-D3, purity ≥98%. 4.12 MNZ, DMZ, HMMNI, IPZ, IPZOH and RNZ standards. purity ≥98%. 4.13 MNZ, DMZ, HMMNI, IPZ, IPZOH and RNZ standard stock solution. 1mg/mL. Accurately weighed amount of MNZ, DMZ, HMMNI, IPZ, IPZOH and RNZ standard (4.12), dubbed standard stock solution 1.0mg/mL of methanol (4.1), storage Preparation was stored at 4 ℃ refrigerator for up to 6 months. 4.14 DMZ-D3, IPZOH-D3 and HMMNI-D3 internal standard stock solution. 100μg/mL. Weigh the right amount of DMZ-D3, IPZOH-D3 and ......

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