GB/T 22960-2008 English PDF

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GB/T 22960-2008: Determination of cefazolin, cefapirin, cephalexin, cefalonium, cefquinome residues in fugu and eel -- LC-MS-MS method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 22960-2008	209	Add to Cart	3 days	Determination of cefazolin, cefapirin, cephalexin, cefalonium, cefquinome residues in fugu and eel -- LC-MS-MS method	Valid

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Basic data

Standard ID: GB/T 22960-2008 (GB/T22960-2008)
Description (Translated English): Determination of cefazolin, cefapirin, cephalexin, cefalonium, cefquinome residues in fugu and eel -- LC-MS-MS method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: X04
Classification of International Standard: 67.050
Word Count Estimation: 9,927
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 puffer fish and eel cefazolin, cephapirin, cephalexin, cephalosporins CTP, Cefquinome residue liquid chromatography-tandem mass spectrometry. This standard applies to puffer fish and eel cefazolin, cephapirin, cephalexin, determination Cefquinome residues, cephalosporin Loening. This standard method detection limit: cefazolin was 10��g/kg, cephapirin, cephalexin, cephalosporins CTP, Cefquinome as 2. 0��g/kg.

GB/T 22960-2008: Determination of cefazolin, cefapirin, cephalexin, cefalonium, cefquinome residues in fugu and eel -- 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, cefapirin, cephalexin, cefalonium, cefquinome residues in fugu and eel. LC-MS-MS method ICS 67.050 X04 National Standards of People's Republic of China Puffer fish and eel cefazolin, cephalosporins aspirin, Cephalexin, CTP, cefquinome Determination of residues of 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, Wang Heqin, female health, Caoyan Zhong, FEDERATION Pang Guofang. Puffer fish and eel cefazolin, cephalosporins aspirin, Cephalexin, CTP, cefquinome Determination of residues of liquid chromatography - tandem mass spectrometry

1 Scope

This standard specifies the puffer fish and eel cefazolin, cephalosporins, aspirin, cephalexin, CTP, cefquinome residues in liquid chromatography Spectrum - tandem mass spectrometry. This standard applies to puffer fish and eel 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 cephalosporin drug residues were extracted with acetonitrile, acetonitrile was removed by rotary evaporation, water volume, liquid chromatography - tandem mass spectrometer Fixed, 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 acetic acid. 4.5 n-hexane. 4.6 acetonitrile saturated with n-hexane. Take 100mL n-hexane (4.5) and 50mL of acetonitrile (4.3) in the 250mL separating funnel, shaken 1min, After standing layer discarded acetonitrile. 4.7 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%. 4.8 1.0mg/mL five kinds of cephalosporin standard stock solution. Weigh accurately take the right amount of each standard substance (4.7), were formulated into water Concentration of 1.0mg/mL of the standard stock solution. Stock solution stored at -18 ℃ freezer. 4.9 five kinds of mixed standard working solution cephalosporins. cephalosporin draw the right amount of each standard stock solution (4.8) if necessary, dilute with water Release an appropriate concentration of the mixed standard working solution. ......

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