SN/T 2223-2008 English PDFUS$469.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. SN/T 2223-2008: Determination of tiamulin residue in foodstuffs of animal origin for import and export. LC-MS/MS method Status: Valid
Basic dataStandard ID: SN/T 2223-2008 (SN/T2223-2008)Description (Translated English): Determination of tiamulin residue in foodstuffs of animal origin for import and export. LC-MS/MS method Sector / Industry: Commodity Inspection Standard (Recommended) Classification of Chinese Standard: X04 Word Count Estimation: 18,190 Date of Issue: 2008-11-18 Date of Implementation: 2009-06-01 Quoted Standard: GB/T 6682 Regulation (derived from): National Quality Inspection [2008] No. 577 Issuing agency(ies): General Administration of Customs Summary: This standard specifies the import and export of animal tissue residues of sulfur polymyxin liquid chromatography mass spectrometry/mass spectrometry. This standard applies to pork, liver, kidney colistin residues of sulfur detection and confirmation. SN/T 2223-2008: Determination of tiamulin residue in foodstuffs of animal origin for import and export. 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 tiamulin residue in foodstuffs of animal origin for import and export.LC-MS/MS method Exit inspection and quarantine industry standard book People's Republic of China Import and export food of animal origin in sulfur colistin Residue Detection Liquid chromatography - mass spectrometry/mass spectrometry Posted 2008-11-18 2009-06-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released ForewordThe Standard Appendix A and Appendix B are informative. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Liaoning Entry-Exit Inspection and Quarantine of Jiangxi People's Republic of China Bureau, Dalian University of Technology. The main drafters of this standard. Xing right, Lin Weixuan, Wenzhi Hai, Zhang Cang. This standard is the first release of the entry-exit inspection and quarantine industry standards. Import and export food of animal origin in sulfur colistin Residue Detection Liquid chromatography - mass spectrometry/mass spectrometry1 ScopeThis standard specifies the import and export of animal tissues sulfur colistin residues in liquid chromatography - mass spectrometry/mass spectrometry. This standard applies to pork, liver, kidney sulfur colistin residues in the detection and confirmation.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 analysis. (GB/T 6682-2008, ISO 3696. 1987, MOD)3 Method summaryThe sample was extracted with ethyl acetate, after hexane, and solid phase extraction column purification, liquid chromatography - mass spectrometry/mass spectrometry and confirmed by external standard Statutory amount.4 Reagents and materialsUnless otherwise indicated, the reagents used were of analytical grade water as a water GB/T 6682 regulations. 4.1 ethyl acetate. chromatography. 4.2 hexane. chromatographically pure. 4.3 Methanol. chromatographically pure. 4.4 acetonitrile. chromatography. 4.5 ammonium acetate. 4.6 0.1% ammonium acetate. Weigh 1.0g ammonium acetate, dissolved in water and dilute to 1000mL. 4.7 sulfur colistin standard substance (Tiamulin). C28H47NO4S, CASN o. 55297-95-5, purity not less than 98.8%. 4.8 sulfur colistin standard stock solution (1.0mg/mL). Weigh appropriate amount of sulfur colistin standard substance (4.7), with methanol dubbed 1.0mg/mL Standard stock solution. Stock was placed in -18 ℃ dark storage. 4.9 sulfur colistin standard solution (1.0μg/mL). draw the right amount of sulfur colistin standard stock solution (4.8), paired with methanol 1.0μg/mL of standard working solution. Standard working solution at 4 ℃ dark storage. 4.10 SPE column. WatersoasisHLB column, 500mg, 6mL, or equivalent person. 4.11 microporous membrane. 0.45μm, organic phase. 5. Apparatus 5.1 Liquid chromatography - tandem quadrupole mass spectrometer. with electrospray ionization source. 5.2 Analysis of balance. a sense of volume, respectively 0.1mg and 0.01g. 5.3 meat grinder. 5.4 vortex mixer.2000r/min. ...... |
