GB/T 22968-2008 English PDF

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GB/T 22968-2008: Determination of ivermectin, abamectin, doramectin and eprinomectin residues in milk and milk powder -- LC-MS-MS method
Status: Obsolete

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 22968-2008	399	Add to Cart	3 days	Determination of ivermectin, abamectin, doramectin and eprinomectin residues in milk and milk powder -- LC-MS-MS method	Obsolete

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Basic data

Standard ID: GB/T 22968-2008 (GB/T22968-2008)
Description (Translated English): Determination of ivermectin, abamectin, doramectin and eprinomectin 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: 10,190
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 Ivermectin (ivermectin), avermectin (abamectin), doramectin (doramectin) and Eprinomectin (epriNmectin) residues liquid chromatography-tandem mass spectrometry Determination. This standard applies to milk and milk powder ivermectin, avermectin, determination of doramectin and Eprinomectin residues. This standard method detection limit: milk ivermectin, avermectin, doramectin and acetyl ABAMECTIN are 5��g/kg, milk powder ivermectin, avermectin, doramectin and Eprinomectin are 40��g/kg.

GB/T 22968-2008: Determination of ivermectin, abamectin, doramectin and eprinomectin 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 ivermectin, abamectin, doramectin and eprinomectin 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 ivermectin, avermectin, Doramectin and eprinomectin residues Determination 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 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. Raymond, Wuying Xuan, Yao Yang Xun, Ouyang Lun, Linhai Dan, Pang Guofang. Milk and milk powder ivermectin, avermectin, Doramectin and eprinomectin residues Determination of liquid chromatography - tandem mass spectrometry

1 Scope

This standard specifies the milk and milk powder ivermectin (ivermectin), avermectin (abamectin), doramectin (doramectin) And eprinomectin (eprinomectin) residual amount of liquid chromatography - tandem mass spectrometry. This standard applies to ivermectin, avermectin, doramectin and determination eprinomectin residues in milk and milk powder. The standard method detection limit. milk ivermectin, avermectin, doramectin and eprinomectin are 5μg/kg, milk Powder ivermectin, avermectin, doramectin and eprinomectin are 40μg/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 Residues in Milk ivermectin, avermectin, doramectin and eprinomectin residue with acetonitrile - dichloromethane extract, n Hexane-defatted, liquid chromatography - tandem mass spectrometry, external standard peak area quantification. Milk residues of ivermectin, avermectin, doramectin and eprinomectin extracted with acetonitrile, hexane, and samples Solution for liquid chromatography - tandem mass spectrometer detected and quantified by external standard peak area.

4 Reagents and materials

Unless otherwise specified, all reagents were of analytical grade water as a water GB/T 6682 regulations. 4.1 acetonitrile. chromatography. 4.2 dichloromethane. 4.3 methanol. 4.4 n-hexane saturated with acetonitrile before use. 4.5 sodium chloride. 4.6 acetonitrile - methylene chloride solution (1 + 4). Measure 80mL of acetonitrile, respectively (4.1), 20mL methylene chloride (4.2) and mix. 4.7 saturated aqueous sodium chloride solution. 4.8 Standard substance. ivermectin, avermectin, doramectin, eprinomectin, purity ≥99%. 4.9 100μg/mL standard stock solution. accurately weighed amount of ivermectin, avermectin, doramectin and eprinomectin standard Associate products (accurate to 0.1mg), were prepared with acetonitrile into a standard stock solution 100μg/mL, and stored at -18 ℃. ......

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