SN/T 1988-2023 English PDFSN/T 1988: Historical versions
Basic dataStandard ID: SN/T 1988-2023 (SN/T1988-2023)Description (Translated English): (Determination of cephalosporin antibiotic residues in foods of exported animal origin Liquid chromatography-mass spectrometry/mass spectrometry) Sector / Industry: Commodity Inspection Standard (Recommended) Classification of Chinese Standard: X62 Classification of International Standard: 67.050 Date of Issue: 2023-11-01 Date of Implementation: 2024-05-01 Older Standard (superseded by this standard): SN/T 1988-2007 Issuing agency(ies): General Administration of Customs SN/T 1988-2007: Determination of cefalexin, cephapirin and cefazolin residues 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 cefalexin, cephapirin and cefazolin residues 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 cephalexin, Cephalosporin aspirin and cefazolin Residue Detection Liquid chromatography - mass spectrometry/mass spectrometry Posted 2007-08-06 2008-03-01 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 by the People's Republic of China Liaoning Entry-Exit Inspection and Quarantine, Shenzhen People's Republic of China, the Chinese people Qinghai People's Republic of Exit Inspection and Quarantine is responsible for drafting. The main drafters of this standard. Linwei Xuan, Li Yichen, Yue Zhenfeng, in spirit, Wang Hongwei, Dong Weifeng, thin Hyperion. This standard is the first release of the entry-exit inspection and quarantine industry standards. Import and export food of animal origin cephalexin, Cephalosporin aspirin and cefazolin Residue Detection Liquid chromatography - mass spectrometry/mass spectrometry1 ScopeThis standard specifies the foodstuffs of animal origin cephalexin, cefazolin and aspirin sample preparation and liquid chromatography tandem mass spectrometry. This standard applies to muscle, liver, kidney, eggs and milk cephalexin, cefazolin aspirin and Residue Detection and Confirmed.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.3 Sample Preparation and Storage3.1 animal liver, kidney, muscle tissue Remove all the samples taken from a representative sample of about 500g, with the organization stamp mill crushed sufficiently uniform, were divided into two, respectively, into Clean container, sealed, marked and labeled, stored frozen at -18 ℃ below. 3.2 eggs Remove all the samples taken from a representative sample of about 500g, peeled, with a blender full uniform, were divided into two, were charged Jie Net container, sealed, labeled and marked, stored frozen at -18 ℃ below. 3.3 milk Remove all the samples taken from a representative sample of about 500g, substantially uniform, are divided into two, respectively, into a clean container, sealed, Labeled and marked, stored frozen at -18 ℃ below.4 Method summaryWith acetonitrile - water extraction samples cephalexin, cefazolin and aspirin, rotary evaporation to remove acetonitrile, a buffer solution, solid phase extraction SPE column liquid chromatography tandem mass spectrometry, external standard.5 Reagents and materialsUnless otherwise specified, all reagents were of analytical grade, water GB/T 6682 water regulations. 5.1 acetonitrile. HPLC fractions. 5.2 Methanol. HPLC fractions. 5.3 formic acid. HPLC fractions. 5.4 sodium chloride. 5.5 sodium hydroxide. 5.6 potassium dihydrogen phosphate. 5.7 dipotassium hydrogen phosphate. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 1988-2023_English be delivered?Answer: Upon your order, we will start to translate SN/T 1988-2023_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of SN/T 1988-2023_English with my colleagues?Answer: Yes. The purchased PDF of SN/T 1988-2023_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. 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