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GB/T 22992-2008 English PDF

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GB/T 22992-2008: Determination of zearalanol, zearalanone, diethylstilbestrol, hexestrol and dienoestrol multi-residues in milk and milk powder -- LC-MS-MS method
Status: Valid
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GB/T 22992-2008English229 Add to Cart 3 days [Need to translate] Determination of zearalanol, zearalanone, diethylstilbestrol, hexestrol and dienoestrol multi-residues in milk and milk powder -- LC-MS-MS method Valid GB/T 22992-2008

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Basic data

Standard ID GB/T 22992-2008 (GB/T22992-2008)
Description (Translated English) Determination of zearalanol, zearalanone, diethylstilbestrol, hexestrol and dienoestrol multi-residues 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 10,179
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 zeranol (zearalanol), Zearalanone (zearalanone), diethylstilbestrol (dieth-ylstilbestrol), hexoestrol (hexestrol), double diethylstilbestrol (dieno-estrol) Residues liquid chromatography-tandem mass spectrometry. This standards for milk and milk powder zearalanol, Zearalanone, diethylstilbestrol, hexoestrol, determination double diethylstilbestrol residues. This standard method detection limit: milk zearalanol, Zearalanone, hexoestrol, diethylstilbestrol and double diethylstilbestrol was 1. 0��g/L, milk powder zearalanol, Zearalanone, hexane estrone, diethylstilbestrol and double diethylstilbestrol as 8. 0��g/kg.

GB/T 22992-2008: Determination of zearalanol, zearalanone, diethylstilbestrol, hexestrol and dienoestrol multi-residues 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 zearalanol, zearalanone, diethylstilbestrol, hexestrol and dienoestrol multi-residues 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 zeranol, Zearalanone, Diethylstilbestrol, hexestrol, double diethylstilbestrol Determination of 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 of People's Republic of China. This standard was drafted. People's Republic of China Exit Inspection and Quarantine Qinhuangdao, Tianjin, People's Republic of China Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. Xu Hong, Wu Yanhui, He Jia, Zhang Jun, Zhang Man, Lin Anqing, Pang Guofang. Milk and milk powder zeranol, Zearalanone, Diethylstilbestrol, hexestrol, double diethylstilbestrol Determination of residues Liquid chromatography - tandem mass spectrometry

1 Scope

This standard specifies the milk and milk powder zeranol (zearalanol), Zearalanone (zearalanone), diethylstilbestrol (dieth- ylstilbestrol), hexoestrol (hexestrol), double diethylstilbestrol (dieno-estrol) residual amount of liquid chromatography - tandem mass spectrometry. This standard is used for milk and milk powder zeranol, Zearalanone, diethylstilbestrol, hexoestrol, double diethylstilbestrol residues determination. The standard method detection limit. milk zeranol, Zearalanone, hexane estrone, diethylstilbestrol and diethylstilbestrol double was 1.0μg/L; Milk powder zeranol, Zearalanone, hexane estrone, diethylstilbestrol and diethylstilbestrol double to 8.0μg/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 Protein precipitation with acetonitrile as the extraction agents and extraction agent, an anionic SPE purification by liquid chromatography - tandem mass spectrometry Determination of internal 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 ammonia. 4.5 formic acid. 4.6 sodium hydroxide. 4.7 5mol/L sodium hydroxide solution. Weigh 200g of sodium hydroxide, distilled water volume to 1L. 4.8 eluent. ammonia - water (1 + 19). 4.9 eluent. formic acid - methanol (1 + 19). 4.10 hormone and metabolite standards materials. zeranol (including α- corn gibberellic alcohol β- zeranol, each 50%) purity of greater than or equal At 97%; Zearalanone, purity not less than 97%; diethylstilbestrol, purity not less than 99%; hexoestrol purity of greater than or equal

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