GB/T 23412-2009 English PDF

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GB/T 23412-2009: Determination of residues of 19 quinolones in honey -- LC-MS/MS method
Status: Obsolete

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 23412-2009	519	Add to Cart	3 days	Determination of residues of 19 quinolones in honey -- LC-MS/MS method	Obsolete

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Basic data

Standard ID: GB/T 23412-2009 (GB/T23412-2009)
Description (Translated English): Determination of residues of 19 quinolones in honey -- LC-MS/MS method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B47
Classification of International Standard: 67.050
Word Count Estimation: 12,193
Date of Issue: 2009-03-28
Date of Implementation: 2009-07-01
Quoted Standard: GB/T 6682
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 honey enrofloxacin (referred to ENR, the same below), ciprofloxacin (referred to as CIP, the same below), norfloxacin (referred to as NOR, the same below), ofloxacin (referred OFL, hereinafter the same), double difloxacin (referred to as DIF, the same below), oxolinic acid (referred to as OXO, the same below), flumequine (referred FLU, the same below), sarafloxacin (referred to as SAR, the same below), Division sparfloxacin (referred to as SPA, the same below), Dan difloxacin (referred to as DAN, the same below), fleroxacin (referred FLE, the same below), Marbofloxacin (referred to MAR, the same below), enoxacin (referred ENO, the same below), orbifloxacin (referred to as ORB, the same below), PPA (referred to as PIP, the same below), pefloxacin (referred to PEF, the same below), lomefloxacin (referred to as LOM, hereinafter), cinoxacin (referred to as CIN, the same below) and nalidixic acid (abbreviated NAL, the same below) 19 kinds of quinolone residues liquid chromatography-mass spectrometry/mass spectrometry determination. Above 19 quinolone English name, Structure, CAS number and relative molecular mass See Appendix A. This standard applies to the determination of fluoroquinolone residues in honey.

GB/T 23412-2009: Determination of residues of 19 quinolones in honey -- LC-MS/MS method

---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 residues of 19 quinolones in honey. LC-MS/MS method ICS 67.050 B47 National Standards of People's Republic of China Honey 19 quinolone residues Determination of 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. Drafters of this standard. Shen Chong-yu, Chen Huilan, Ding Tao, Zhang Xiaoyan, Liu Yan, Zhang Jing, Huang Juan, Jiang Yuan, Wang Jin Tao, Shen Yuk. Honey 19 quinolone residues Determination of liquid chromatography - mass spectrometry/mass spectrometry

1 Scope

This standard specifies the honey enrofloxacin (referred to ENR, the same below), ciprofloxacin (referred to as CIP, the same below), norfloxacin (referred to NOR, the same below), ofloxacin (referred OFL, the same below), double difloxacin (referred to as the DIF, the same below), quinoline acid (referred to as OXO, the same below), fluorometholone Quinoline (referred FLU, the same below), sarafloxacin (referred to as the SAR, the same below), sparfloxacin (referred to as the SPA, the same below), Dan difloxacin (referred to DAN, The same below), fleroxacin (referred FLE, the same below), marbofloxacin (referred to MAR, the same below), enoxacin (referred ENO, the same below), Ao Bisha Star (referred ORB, the same below), PPA (referred to as PIP, the same below), pefloxacin (referred to as the PEF, the same below), lomefloxacin (referred to LOM, under Same), cinoxacin (referred to CIN, the same below) and nalidixic acid (referred to as the NAL, the same below) quinolone residues in 19 kinds of liquid chromatography - mass spectrometry/mass spectrometry Measurement method. Above 19 quinolone English name, structural formula, CAS Number and molecular weight Appendix A. This standard applies to the determination of quinolones residues in honey.

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

After the sample is added the internal standard solution of sodium hydroxide dissolved honey samples, ionized quinolones residue after anion exchange solid phase extraction Enrichment and purification by liquid chromatography - mass spectrometry/mass spectrometry, 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 sodium hydroxide. 4.3 formic acid (85%). 4.4 anion exchange column (PAX). 60mg, 3mL, or equivalent person. 4.5 isotope internal standard. NOR-D5. purity ≥98%. 4.6 ENR, CIP, NOR, OFL, DIF · HCl, SAR · HCl, SPA, DAN, OXO, FLU, FLE, MAR, ENO, ORB, PIP, PEF, LOM, CIN and NAL standard. Purity ≥99%. 4.7 quinolones standard stock solution. 1mg/mL. Accurately weighed amount of quinolone standard (4.6), (4.1) paired with methanol 1.0mg/mL standard stock solution. Stock solution stored at 4 ℃ refrigerator for up to 6 months. 4.8 deuterated norfloxacin (NOR-D5) internal standard stock solution. 100μg/mL. Weigh the right amount of NOR-D5 internal standard (4.5), methanol (4.1) dubbed 100μg/mL stock solution, the stock solution stored at 4 ℃ refrigerator. 4.9 deuterated Norfloxacin (NOR-D5) of internal standard working solution. 1μg/mL. Take appropriate internal standard stock solution (4.8) was diluted with methanol (4.1) to 1μg/mL working solution of internal standard working solution was stored at 4 ℃. 4.10 quinolones standard solution. methanol - water (8 + 2, volume ratio) were formulated at concentrations ranging from 1ng/mL ~ 60ng/mL standard ......

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