GB/T 22942-2008 English PDF

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GB/T 22942-2008: Determination of cefazolin, cephapirin, cephalexin, cefalonium, cefquinome residues in honey -- LC-MS-MS method
Status: Obsolete

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 22942-2008	359	Add to Cart	3 days	Determination of cefazolin, cephapirin, cephalexin, cefalonium, cefquinome residues in honey -- LC-MS-MS method	Obsolete

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Basic data

Standard ID: GB/T 22942-2008 (GB/T22942-2008)
Description (Translated English): Determination of cefazolin, cephapirin, cephalexin, cefalonium, cefquinome residues in honey -- LC-MS-MS method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: X04
Classification of International Standard: 67.050
Word Count Estimation: 9,915
Date of Issue: 2008-12-31
Date of Implementation: 2009-05-01
Quoted Standard: GB/T 6379.1; GB/T 6379.2; GB/T 6682
Regulation (derived from): National Standard Approval Announcement 2008 No.26 (Total No.139)
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 cefazolin, cephapirin, cephalexin, cephalosporins CTP, Cefquinome residue liquid chromatography-tandem mass spectrometry. This standard applies to honey cefazolin, cephapirin, head hold ampicillin, determination Cefquinome residues, cephalosporin Loening. This standard method detection limit: cefazolin was 10��g/kg, cephapirin, cephalexin, cephalosporin CTP, heads hold quinoline oxime 2. 0��g/kg.

GB/T 22942-2008: Determination of cefazolin, cephapirin, cephalexin, cefalonium, cefquinome residues 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 cefazolin, cephapirin, cephalexin, cefalonium, cefquinome residues in honey. LC-MS-MS method ICS 67.050 X04 National Standards of People's Republic of China Honey cefazolin, cephalosporins, aspirin, cephalexin, Determination of Luoning cephalosporin, cefquinome residues Liquid chromatography - tandem mass spectrometry Posted 2008-12-31 2009-05-01 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 is an informative annex. This standard is proposed and managed by the State Administration of Quality Supervision, Inspection and Quarantine. This standard was drafted. People's Republic of China Qinhuangdao Exit Inspection and Quarantine. The main drafters of this standard. Li Xuemin, female health, Caoyan Zhong, FEDERATION, Jiang Ning, Pang Guofang. Honey cefazolin, cephalosporins, aspirin, cephalexin, Determination of Luoning cephalosporin, cefquinome residues Liquid chromatography - tandem mass spectrometry

1 Scope

This standard specifies the honey cefazolin, cephalosporins, aspirin, cephalexin, CTP, cefquinome residues in liquid chromatography - tandem Mass spectrometry. This standard applies to honey cefazolin, cephalosporins, aspirin, cephalexin, CTP, cefquinome residues determination. The standard method detection limit. cefazolin is 10μg/kg; cephalosporin aspirin, cephalexin, CTP, cefquinome is 2.0μg/kg.

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 6379.1 measurement methods and results of Accuracy (trueness and precision) - Part 1. General principles and definitions (GB/T 6379.1- 2004, ISO 5725-1.1994, IDT) GB/T 6379.2 measurement methods and results of Accuracy (trueness and precision) - Part 2. Determine the standard measurement method to repeat Of the basic methods of reproduction (GB/T 6379.2-2004, ISO 5725-2.1994, IDT) GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD) Principle 3 Sample of Five cephalosporins residue with sodium dihydrogen phosphate buffer solution extraction, solid-phase extraction (SPE), liquid chromatography - tandem mass Spectrometer, external standard.

4 Reagents and materials

Unless otherwise indicated, the reagents used were of analytical grade. 4.1 Water. GB/T 6682, level. 4.2 Methanol. chromatographically pure. 4.3 acetonitrile. chromatography. 4.4 sodium dihydrogen phosphate (NaH2PO4). 4.5 sodium hydroxide. 4.6 acetic acid. 4.7 5mol/L sodium hydroxide solution. Weigh 20g of sodium hydroxide (4.5), dissolved in water, dilute to 100mL. 4.8 0.15mol/L sodium dihydrogen phosphate buffer solution. Weigh 18.0g sodium dihydrogen phosphate (4.4), dissolved in water, dilute to 1000mL, Then adjusted with sodium hydroxide solution (4.7) to pH = 8.5. 4.9 Standard substance. cefazolin (CAS. 25953-19-9), cephalosporin aspirin (CAS. 24356-60-3), cephalexin (CAS. 16549-56-7), Cephalosporins Luoning (CAS. 5575-21-3), cefquinome (CAS. 118443-89-3), purity ≥99%. 4.10 1.0mg/mL five kinds of cephalosporin standard stock solution. weigh accurately each standard substance (4.9), were formulated as a water concentration ......

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