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GB/T 22971-2008 English PDF

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GB/T 22971-2008: Determination of metabolite residues of dipyrone in milk and milk powder -- LC-MS-MS method
Status: Valid
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GB/T 22971-2008English229 Add to Cart 3 days [Need to translate] Determination of metabolite residues of dipyrone in milk and milk powder -- LC-MS-MS method Valid GB/T 22971-2008

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Basic data

Standard ID GB/T 22971-2008 (GB/T22971-2008)
Description (Translated English) Determination of metabolite residues of dipyrone in milk and milk powder -- LC-MS-MS method
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard X04
Classification of International Standard 67.050
Word Count Estimation 10,17
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 milk and milk powder dipyrone metabolite 4-methanesulfonyl amide methamphetamine antipyrine (4-formylaminoantipyrine), 4-acetyl amino antipyrine (4-acetylaminoantipyrine), 4-methyl amino antipyrine (4-methylaminoantipyrine) and 4-amino antipyrine (4-aminoantipyrine) liquid chromatography-tandem mass spectrometry. This standard applies to milk and milk powder 4-formamide methamphetamine antipyrine, 4-acetyl- amino antipyrine, 4-methyl amino antipyrine and 4-Determination of amino antipyrine residues. This standard method detection limit is: For milk 4-formamide methamphetamine antipyrine, WITH 4-ALDEHYDOANTIPYRINE antipyrine, 4-methyl amino antipyrine and 4-acetyl- amino antipyrine are 5. 0��g/kg, for milk powder 4-formamide methamphetamine antipyrine, WITH 4-ALDEHYDOANTIPYRINE antipyrine, 4-methyl amino antipyrine and 4-acetyl- amino antipyrine are 40. 0��g/kg.

GB/T 22971-2008: Determination of metabolite residues of dipyrone in milk and milk powder -- 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 metabolite residues of dipyrone in milk and milk powder. LC-MS-MS method ICS 67.050 X04 National Standards of People's Republic of China Milk and milk powder dipyrone metabolite 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 of People's Republic of China. This standard is drafted by. People's Republic of China Qinhuangdao Exit Inspection and Quarantine, Shenzhen People's Republic of China Entry-Exit Inspection Quarantine Bureau. The main drafters of this standard. Chen Jincan, Xieli Qi, Xiao Chengui, Zhu Yulan, Bear Babe, Lin Yankui, Pang Guofang. Milk and milk powder dipyrone metabolite Determination of residues of liquid chromatography - tandem mass spectrometry

1 Scope

This standard specifies the milk and milk powder dipyrone metabolite 4-acylamino methamphetamine antipyrine (4-formylaminoantipyrine), 4- acetyl Amino antipyrine (4-acetylaminoantipyrine), 4- methyl-amino-antipyrine (4-methylaminoantipyrine) and 4-aminoantipyrine Antipyrine (4-aminoantipyrine) liquid chromatography - tandem mass spectrometry. This standard applies to milk and milk powder 4-acylamino methamphetamine antipyrine, 4-acetyl amino antipyrine, 4-methyl-amino-antipyrine and 4-aminoantipyrine determination than forest residues. The standard method detection limit is. For milk, 4 formamide methamphetamine antipyrine, 4-amino antipyrine, 4-methyl-amino-antipyrine And 4-acetyl-amino-antipyrine were 5.0μg/kg; for milk powder, 4 formamide methamphetamine antipyrine, 4-amino antipyrine, 4-methyl amino Antipyrine and 4-acetyl-amino antipyrine were 40.0μg/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 After milk and milk powder dipyrone metabolite residues were extracted with acetonitrile solution was added to Tris, defatted with hexane extract, liquid chromatography Spectrum - tandem mass spectrometer. 4-acetyl-amino-antipyrine, 4 formamide methamphetamine antipyrine and 4-amino-antipyrine using external standard, 4-methyl-amino-antipyrine quantified using internal standard method.

4 Reagents and materials

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 isopropanol. 4.3 acetonitrile. chromatography. 4.4 Tris (Tris). Ammonium acetate 4.5. HPLC grade. 4.6 1.0mol/LTris solution. Weigh accurately 12.1g Tris, water volume to 100mL. 4.7 sample volume solution. methanol - water (1 + 19).

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