SN/T 1970-2007 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 1970-2007	839	Add to Cart	6 days	Determination of dexamethasone, betamethasone, triameinolone and flumethasone residues in foodstuffs of animal origin for import and export. Enyme-linked immunosorbent assay	Obsolete

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Basic data

Standard ID: SN/T 1970-2007 (SN/T1970-2007)
Description (Translated English): Determination of dexamethasone, betamethasone, triameinolone and flumethasone residues in foodstuffs of animal origin for import and export. Enyme-linked immunosorbent assay
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: X04
Classification of International Standard: 67.050
Word Count Estimation: 21,286
Date of Issue: 2007-08-06
Date of Implementation: 2008-03-01
Quoted Standard: GB/T 6379; GB/T 6682
Regulation (derived from): National-accreditation-Science [2011] 63
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the foods of animal origin, dexamethasone, betamethasone, prednisolone and fluorine hydroxyl Flumethasone residual enzyme-linked immunoassay. This standard applies to meat tissue, aquatic products, milk and milk powder dexamethasone, betamethasone, prednisolone and fluorine hydroxyl Flumethasone residues.

SN/T 1970-2007: Determination of dexamethasone, betamethasone, triameinolone and flumethasone residues in foodstuffs of animal origin for import and export. Enyme-linked immunosorbent assay

---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 dexamethasone, betamethasone, triameinolone and flumethasone residues in foodstuffs of animal origin for import and export.Enyme-linked immunosorbent assay Exit inspection and quarantine industry standard book People's Republic of China Import and export of animal-derived foods dexamethasone, Betamethasone, triamcinolone and double fluorine dexamethasone Residue Determination ELISA Posted 2007-08-06 2008-03-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

Appendix A of this standard and Appendix B is an informative annex. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Zhejiang Exit Inspection and Quarantine. The main drafters. Zhang Xiaofeng, Shi Weiliang, Zhu Zhenjiang, Wu Shan, He Yongqiang, Dong Qiang. This standard is the first release of the entry-exit inspection and quarantine industry standards. Import and export of animal-derived foods dexamethasone, Betamethasone, triamcinolone and double fluorine dexamethasone Residue Determination ELISA

1 Scope

This standard specifies the foods of animal origin, dexamethasone, betamethasone, enzyme-linked immunoassay fluorine hydroxyl prednisolone and dexamethasone double Residues Setting Method. This standard applies to meat tissue, fish, milk and milk powder dexamethasone, betamethasone, triamcinolone and double fluorine dexamethasone residues Determination of the amount.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequently Some amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Study whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. Precision GB/T 6379 of test methods to determine the repeatability and reproducibility of a standard test method by inter-laboratory Laboratory use specifications and test methods GB/T 6682 Analysis

3 Sample preparation and preservation

3.1 Sample Preparation Tissue samples. all the samples taken from a representative sample, mix, separated by quartering reduction of not less than 1000g sample, removing grease Fat, full minced, mixed, packaging, sealing, and be identified. Milk and milk powder. take the original packaging from a representative sample, mix thoroughly by quartering shrink separated not less than 500g sample loading Clean airtight container, then sealed and marked with identification. 3.2 Sample preservation The samples were stored at -20 ℃ ~ -18 ℃ condition.

4 Method summary

In acetonitrile, the three-phase liquid-liquid extraction system meta-phosphoric acid, n-hexane and dichloromethane to extract the residual tissue dexamethasone, betamethasone And fluorine triamcinolone and the like. After processing the samples residual hormones and enzyme-labeled dexamethasone dexamethasone jointly compete for binding antibodies, simultaneously Antibodies bind to dexamethasone coated with sheep anti-rabbit IgG antibody microplate, by washing to remove unbound enzyme-labeled residues and ground Dexamethasone was added chromogenic substrate, absorbance was measured absorbance is inversely proportional to the analyte concentration using a microplate reader, the absorbance is worth a try The content of the sample residue.

5 Materials and Reagents

Unless otherwise indicated, all reagents were of analytical grade water as a water GB/T 6682 regulations. Dexamethasone 5.1 detection kit (see Appendix A). 5.2 metaphosphate. 5.3 acetonitrile. 5.4 n-hexane. ......

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