GB/T 21320-2007 English PDF

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GB/T 21320-2007: Method for determination of avermectins residues in animal origin food -- LC-MS-MS
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21320-2007	209	Add to Cart	3 days	Method for determination of avermectins residues in animal origin food -- LC-MS-MS	Valid

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Basic data

Standard ID: GB/T 21320-2007 (GB/T21320-2007)
Description (Translated English): Method for determination of avermectins residues in animal origin food -- LC-MS-MS
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: X04
Classification of International Standard: 67.120
Word Count Estimation: 8,836
Date of Issue: 2007-10-29
Date of Implementation: 2008-04-01
Quoted Standard: GB/T 6682
Regulation (derived from): China National Standard Approval Announcement2007 No.13 (Total No.113)
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 animal source foods avermectin residues liquid chromatography tandem mass spectrometry method. This standard applies to bovine liver and bovine muscle Eprinomectin, avermectin, determination of doramectin and ivermectin residues. This standard method detection limit: Eprinomectin, avermectin, doramectin and ivermectin are 1. 5Ug/kg.

GB/T 21320-2007: Method for determination of avermectins residues in animal origin food -- LC-MS-MS

---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.
Method for determination of avermectins residues in animal origin food. LC-MS-MS ICS 67.120 X04 National Standards of People's Republic of China Animal Food avermectin residues of drugs Determination of liquid chromatography - tandem mass spectrometry LC-MS/MS Posted 2007-10-29 2008-04-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

Appendix A of this standard 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. China Agricultural University, Chinese Academy of Inspection and Quarantine. The main drafters of this standard. Shen Jianzhong, Dingshuang Yang, Li Xiaowei, Xia Xi, ZHANG Su-xia, JIANG Hai, Chenglin Li, CAO Xing Yuan, Peng Tao, Guo Wei. Animal Food avermectin residues of drugs Determination of liquid chromatography - tandem mass spectrometry

1 Scope

This standard specifies the food of animal origin avermectin residues in liquid chromatography - tandem mass spectrometry method. This standard applies to the determination and Eprinomectin, avermectin, doramectin and ivermectin residues in bovine liver of cattle muscle. The standard method detection limit. Eprinomectin, avermectin, doramectin and ivermectin were 1.5μg/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 6682 analytical laboratory use specifications and test methods (GB/T 6682-1992, neq ISO 3696. 1987) Principle 3 Extracting samples of four kinds of avermectin with acetonitrile, after C18 and C8 SPE column solid phase extraction (SPE) using liquid chromatography Spectrum - tandem mass spectrometry, external standard.

4 Reagents and materials

Unless otherwise indicated, the reagents used were of analytical grade water as a water GB/T 6682 regulations. 4.1 acetonitrile. chromatography. 4.2 triethylamine. 4.3 formic acid. Chromatographic pure. 4.4 Eprinomectin standard. Purity ≥98%. 4.5 avermectin standard. Purity ≥98%. 4.6 doramectin standards. purity ≥94.3%. Ivermectin 4.7 standard. Purity ≥98%. 4.8 C18 solid phase extraction column. 500mg, 3mL. 4.9 C8 SPE. 500mg, 10mL. 4.10 Sample Diluent. water + triethylamine (0.045 + 30, volume ratio). 4.11 C18 solid phase extraction column washing solution. acetonitrile + water + triethylamine (40 + 60 + 0.1, volume ratio). 4.12 C8 SPE washing solution. acetonitrile + water + triethylamine (30 + 70 + 0.1, volume ratio). 4.13 Eprinomectin, avermectin, doramectin and ivermectin standard stock solution. 100μg/mL. Weigh accurately taken 0.010g respectively Eprinomectin, avermectin, doramectin and ivermectin standard (4.4 to 4.7) in four 100mL volumetric flask, dissolved in acetonitrile Dilute to the mark. -20 ℃ stored for six months. 4.14 mixed standard stock solution. 1μg/mL. Take four standard stock solution (4.13) each 1.0mL in 100mL flask with acetonitrile Diluted to the mark, 4 ℃ for three months. 4.15 standard working solution. Measure the right amount of each of the mixed standard stock solution (4.14), diluted with acetonitrile to a concentration of 1,5,10,20,50, 100 and 200ng/mL series of standard working solution. ......

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