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SN/T 2050-2008: Determination of 14 beta-lactam antibiotic residues in foodstuffs of animal origin for export and import-LC-MS/MS method
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Determination of 14 beta-lactam antibiotic residues in foodstuffs of animal origin for export and import-LC-MS/MS method
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SN/T 2050-2008
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Basic data | Standard ID | SN/T 2050-2008 (SN/T2050-2008) | | Description (Translated English) | Determination of 14 beta-lactam antibiotic residues in foodstuffs of animal origin for export and import-LC-MS/MS method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | X04 | | Word Count Estimation | 27,222 | | Date of Issue | 2008-04-29 | | Date of Implementation | 2008-11-01 | | Quoted Standard | GB/T 6682 | | Regulation (derived from) | Industry standard filing Notice 2008 No. 7 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the food of animal origin amoxycillin, ampicillin, cloxacillin, dicloxacillin, ethoxycarbonyl naphthylamine penicillin, oxacillin, benzylpenicillin, phenoxymethyl penicillin, benzene microphone penicillin, methicillin, phenoxy ethyl penicillin, cephalexin, Pyrazoline, cefazolin of 14 ��- lactam antibiotics by liquid chromatography tandem mass spectrometry. This standard applies to animal muscle, liver, kidney, milk and eggs, 14 kinds of ��- lactam antibiotics residues detection and confirmation. | SN/T 2050-2008: Determination of 14 beta-lactam antibiotic residues in foodstuffs of animal origin for export and import-LC-MS/MS method
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Determination of 14 beta-lactam antibiotic residues in foodstuffs of animal origin for export and import-LC-MS/MS method
Exit inspection and quarantine industry standard book People's Republic of China
Import and export of food of animal origin of 14 β- lactam
Amine amount of antibiotic residues detection method
Liquid chromatography - mass spectrometry/mass spectrometry
Posted 2008-04-29
2008-11-01 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 by the People's Republic of China Liaoning Province Exit Inspection and Quarantine is responsible for drafting.
The main drafters of this standard. Linwei Xuan, Li Yichen, in spirit, Mike Sui Tian Miao, Yang Chunguang, Xufeng Min, Wang Hongwei.
This standard is the first release of the entry-exit inspection and quarantine industry standards.
Import and export of food of animal origin of 14 β- lactam
Amine amount of antibiotic residues detection method
Liquid chromatography - mass spectrometry/mass spectrometry
1 Scope
This standard specifies the foodstuffs of animal origin amoxycillin, ampicillin, cloxacillin, dicloxacillin, ethoxy naphthylamine Penicillium
Su, oxacillin, benzylpenicillin, phenoxymethylpenicillin, benzene microphone penicillin, methicillin, phenoxyethyl penicillin, cephalexin, head
Spore Pyrazoline, cefazolin total of 14 kinds of β- lactam antibiotics liquid chromatography tandem mass spectrometry.
This standard applies to animal muscle, liver, kidney, milk and eggs of 14 β- lactam antibiotic residues detection and confirmation.
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)
3 Method summary
Samples β- lactam antibiotics residue with acetonitrile - aqueous extract, the extract was removed by rotary evaporation in acetonitrile was added phosphate buffer
Chong added. Extract with HLB solid phase extraction (SPE), after the eluent nitrogen blow by liquid chromatography tandem mass spectrometry, external standard.
4 Reagents and materials
Unless otherwise specified, the reagents were of analytical grade water as a water GB/T 6682 regulations.
4.1 acetonitrile. HPLC fractions.
4.2 Methanol. HPLC fractions.
4.3 formic acid. HPLC fractions.
4.4 sodium chloride.
4.5 sodium hydroxide.
4.6 potassium dihydrogen phosphate.
4.7 dipotassium hydrogen phosphate.
4.8 SPE column. WatersoasisHLB solid phase extraction column, 500mg, 6mL or equivalent person. Use before using 2mL methanol,
1mL water pretreatment.
4.9 0.1mol/L sodium hydroxide. Weigh 4g of sodium hydroxide, and diluted with water to 1000mL.
4.10 acetonitrile - water. (15 + 2, volume ratio).
4.11 acetonitrile - water. (30 + 70, by volume).
4.12 0.05mol/L phosphate buffer solution (pH8.5). Weigh 8.7g of dipotassium hydrogen phosphate, dissolved in deionised water and diluted to 1000mL,
PH was adjusted to 8.5 ± 0.1.
4.13 0.025mol/L phosphate buffer solution (pH7.0). Weigh 3.4g potassium dihydrogen phosphate, ultrapure water dissolved and diluted to 1000mL, tone
Section pH to 7.0 ± 0.1.
4.14 0.01mol/L ammonium acetate solution (pH = 4.5). Weigh 0.77g of ammonium acetate, dissolved in deionised water and diluted to 1000mL, formic acid
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