SN/T 2311-2009 English PDF
Basic dataStandard ID: SN/T 2311-2009 (SN/T2311-2009)Description (Translated English): Import and export of milk and milk products macrolide drug residue detection methods radioreceptor analysis Sector / Industry: Commodity Inspection Standard (Recommended) Classification of Chinese Standard: X16 Classification of International Standard: 67.100.01 Word Count Estimation: 15,182 Date of Issue: 2009-07-07 Date of Implementation: 2010-01-16 Quoted Standard: GB/T 6682 Regulation (derived from): Industry standard filing Notice 2009 No. 10 (No. 118 overall) Issuing agency(ies): General Administration of Customs Summary: This standard specifies the import and export of milk and dairy products macrolide drug residue determination of the sample preparation and analytical methods Radioreceptor. This standard applies to milk, milk powder, whey powder erythromycin, tilmicosin, spiramycin, tylosin and lincomycin drug residue screening tests. SN/T 2311-2009: Import and export of milk and milk products macrolide drug residue detection methods radioreceptor analysis---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. Import and export of milk and milk products macrolide drug residue detection methods radioreceptor analysis Exit inspection and quarantine industry standard book People's Republic of China Import and export milk and dairy products macrolides residues Detection method Radioreceptor assay Posted 2009-07-07 2010-01-16 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released ForewordAppendix A of this standard 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 Guangdong CIQ. The main drafters of this standard. Lu Qin, Xi Jing, Raymond, Zhuliu Ming, Wu Hairong. This standard is the first release of the entry-exit inspection and quarantine industry standards. Import and export milk and dairy products macrolides residues Detection method Radioreceptor assay1 ScopeThis standard specifies the sample preparation and analysis methods radioreceptor import and export milk and dairy products macrolide antibiotic residues measured. This standard applies to milk, milk powder, whey powder erythromycin, tilmicosin, spiramycin, tylosin and lincomycin drug residues Screening assays.2 Normative referencesThe 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. Laboratory use specifications and test methods GB/T 6682 Analysis3 Sample preparation and preservation3.1 Sample Preparation Mixing the original sample was removed from the part of the representative sample, milk powder less than 500g, milk less than 500mL, sharing two charged Jie Net within the container as a sample, and sealed and labeled. Sample preparation process should prevent sample contamination or microbial or chemical residues occur Changes matter content. 3.2 Sample preservation Dry samples were sealed and stored at room temperature, the liquid sample at 0 ℃ ~ 4 ℃ refrigerator to save 5d, or less -15 ℃ can be stored frozen for two months.4 Detection4.1 Method summary Based detection is a competitive receptor immunoreactivity. When the sample contains a macrolide antibiotic, macrolide antibiotic sample Su residue corresponding receptor binding reagent binding site of the receptor, thereby preventing the [14C] labeled reagent erythromycin receptor sites knot COOPERATION. Samples containing macrolides higher the content, the more competition binding sites, [14C] erythromycin binding to the less marked, with liquid Scintillation counter measurement sample of [14C] content cpm value (countperminute, that is, the number of pulses per minute) lower. Samples Macrolide antibiotic residues is inversely proportional to the amount of cpm value. 4.2 Reagents and materials Unless otherwise indicated, the reagents used were of analytical grade water as a water GB/T 6682 regulations. 4.2.1 macrolide antibiotics in milk CharmⅡ RIA Kit 1) (MRLsSequentialAssay). pills identified as E. 4.2.1.1 receptor reagent tablets. the following -15 ℃ cryopreservation. 4.2.1.2 [14C] erythromycin pharmaceutical tablets marked. the following -15 ℃ cryopreservation. 1) CharmⅡ macrolide antibiotics in milk competitive receptor binding test kit is provided by the product under the trade name Charm company. Given this Information in order to facilitate a user of this standard does not imply endorsement of the product. 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