GB/T 22959-2008 English PDF

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GB/T 22959-2008: Determination of chloramphenicol, thiamphenicol and florfenicol residues in fugu, eel and baked eel -- LC-MS-MS method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 22959-2008	299	Add to Cart	3 days	Determination of chloramphenicol, thiamphenicol and florfenicol residues in fugu, eel and baked eel -- LC-MS-MS method	Valid

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Basic data

Standard ID: GB/T 22959-2008 (GB/T22959-2008)
Description (Translated English): Determination of chloramphenicol, thiamphenicol and florfenicol residues in fugu, eel and baked eel -- LC-MS-MS method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: X04
Classification of International Standard: 67.050
Word Count Estimation: 13,199
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, eel and eel chloramphenicol (chloramphenicol), thiamphenicol (thiamphenicol) and florfenicol (florfenicol) and its metabolite florfenicol amine (florfenicol amine) residues liquid chromatography-tandem mass spectrometry. This standard applies to puffer fish, florfenicol and florfenicol amine determination of residues, eel and eel chloramphenicol, thiamphenicol. This standard method detection limit: puffer fish, eel and eel chloramphenicol as 0. 1��g/kg, thiamphenicol, florfenicol and florfenicol amine 1. 0��g/kg.

GB/T 22959-2008: Determination of chloramphenicol, thiamphenicol and florfenicol residues in fugu, eel and baked 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 chloramphenicol, thiamphenicol and florfenicol residues in fugu, eel and baked eel. LC-MS-MS method ICS 67.050 X04 National Standards of People's Republic of China Puffer fish, eels and eel chloramphenicol, thiamphenicol And florfenicol residues Determination 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, People's Republic of China Guangdong Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. Linhai Dan, Li Xianhua, Xie Shou new, Raymond, Huang Huajun, Shaolin Zhi, Pang Guofang. Puffer fish, eels and eel chloramphenicol, thiamphenicol And florfenicol residues Determination Liquid chromatography - tandem mass spectrometry

1 Scope

This standard specifies the puffer fish, eels and eel chloramphenicol (chloramphenicol), thiamphenicol (thiamphenicol) and florfenicol Test (florfenicol) and its metabolite florfenicol amine (florfenicolamine) residual amount of liquid chromatography - tandem mass spectrometry. This standard applies to fish, eels and eel chloramphenicol, thiamphenicol, florfenicol and florfenicol measured puffer amine residues. The standard method detection limit. puffer fish, eels and eel chloramphenicol was 0.1μg/kg, thiamphenicol, florfenicol and florfenicol Amine is 1.0μg/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 Samples of chloramphenicol, thiamphenicol, florfenicol and florfenicol amine under basic conditions, extracted with ethyl acetate, and the extract rotary evaporation Play dryness and the residue was dissolved in water, liquid-liquid distribution defatted with hexane. Liquid chromatography - tandem mass spectrometer, chloramphenicol, thiamphenicol and fluorobenzene Nikau quantitative standard method of peak area, florfenicol quantitative standard method of peak area to the amine.

4 Reagents

Unless otherwise indicated, the reagents used were of analytical grade water as a water GB/T 6682 regulations. 4.1 Methanol. chromatographically pure. 4.2 ethyl acetate. 4.3 n-hexane. 4.4 Ammonia. 25% to 28%. 4.5 anhydrous sodium. 650 ℃ before use burning 4h. 4.6 Standard substance. Chloramphenicol (CAS. 56-75-7), thiamphenicol (CAS. 15318-45-3) and florfenicol (CAS. 76639-94-6), pure Degree ≥99.5%; florfenicol amine purity ≥98.0%. 4.7 internal standard solution. deuterated chloramphenicol (d5- chloramphenicol), 100μg/mL, the solvent is acetonitrile, deuterated degree ≥98%. 4.8 100μg/mL standard stock solution. Weigh accurately take the right amount of each chloramphenicol, thiamphenicol, florfenicol and florfenicol amine standards Quality (4.6), respectively, paired with methanol standard solution 100μg/mL of. The solution was stored at -18 ℃. 4.9 1μg/mL chloramphenicol, thiamphenicol and florfenicol mixed standard stock solution. Imbibe 1.00mL chloramphenicol, thiamphenicol mold respectively ......

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