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SN/T 2488-2010: Determination of clavulanic acid residues in foodstuffs of animal origin for import and export. LC-MS/MS method
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Determination of clavulanic acid residues in foodstuffs of animal origin for import and export. LC-MS/MS method
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SN/T 2488-2010
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Basic data | Standard ID | SN/T 2488-2010 (SN/T2488-2010) | | Description (Translated English) | Determination of clavulanic acid residues in foodstuffs of animal origin for import and export. LC-MS/MS method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | X22 | | Classification of International Standard | 67.120.01 | | Word Count Estimation | 19,115 | | Date of Issue | 2010-03-02 | | Date of Implementation | 2010-09-16 | | Quoted Standard | GB/T 6682 | | Regulation (derived from) | National Quality Inspection (2010) 98 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the food of animal origin clavulanic acid residues liquid chromatography mass spectrometry/mass spectrometry and confirmatory methods. This standard applies to pork, liver, kidney, beef, beef liver, milk and other foods of animal origin clavulanic acid residues and confirmation. | SN/T 2488-2010: Determination of clavulanic acid residues in foodstuffs of animal origin for import and export. LC-MS/MS method
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Determination of clavulanic acid 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 clavulanate
Residue Detection
Liquid chromatography - mass spectrometry/mass spectrometry
Issued on. 2010-03-02
2010-09-16 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. Shenzhen Inspection and Quarantine Science Research Institute, Shenzhen People's Republic of China Exit Inspection and Quarantine.
The main drafters of this standard. Ouyang Shan, Yue Zhenfeng, Xiao Chengui, Bear Babe, Huahong Hui, Lin Li, guaria, Zhang Jianying.
This standard is the first release of the entry-exit inspection and quarantine industry standards.
Import and export food of animal origin clavulanate
Residue Detection
Liquid chromatography - mass spectrometry/mass spectrometry
1 Scope
This standard specifies the food of animal origin clavulanic acid residues in liquid chromatography - mass spectrometry/mass spectrometry and confirmation methods.
This standard applies to the determination of animal origin food clavulanic acid residues in pork, liver, kidney, beef, beef liver and milk 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.
Laboratory use specifications and test methods GB/T 6682 Analysis
3 Method summary
The sample remaining in the clavulanic acid with pH6.0 Tris (Tris) buffer - acetonitrile extraction, dichloromethane - n-hexane
Liquid-liquid partition purification, molecular sieve ultrafiltration, liquid chromatography - mass spectrometry/mass spectrometry detection and confirmation, external standard.
4 Reagents and materials
Unless otherwise specified, the reagents used were of analytical grade water as a water line with GB/T 6682 regulations.
4.1 Methanol. HPLC grade.
4.2 acetonitrile. HPLC grade.
4.3 dichloromethane.
4.4 n-hexane.
4.5 acidic alumina.
4.6 Tris (Tris).
4.7 hydrochloric acid.
5mmol/LTris of 4.8 pH6.0 buffer solution. Weigh 0.61gTris (4.6), was dissolved with about 900mL of water (4.7) adjusted with hydrochloric acid
pH value 6.0, set the volume to 1000mL
4.9 clavulanate potassium (clavulanicacidpotassium, CAS number. 61177-45-5) standards, the purity of not less than 99%.
4.10 standard stock solution, 5000mg/L. Weigh 59.5mg potassium clavulanate (equivalent to 50mg clavulanic acid) standard (4.9),
(4.8) dissolved 5mmol/LTris pH6.0 buffer solution of a small amount, and then acetonitrile (4.2) and dilute to 10mL volumetric flask, at -30 ℃
Stored.
4.11 intermediate standard solution, 5mg/L. lessons 0.1mL standard stock solution (4.10) in 100mL volumetric flask, dilute to engraved with acetonitrile
Degrees, mix well to prepare a 5mg/L standard intermediate solution, the standard solution for an extemporaneous preparation prior to analysis.
4.12 standard solution. according to the sensitivity and the need to use the blank matrix extract the intermediate standard solution (4.11) diluted to Standard Operating
Solution, the standard solution for immediate use. Matrix blank extract of clavulanic acid-free blank samples obtained after extraction by 7.1 steps.
4.13 ultrafiltration tube with molecular weight of 30,000 molecular sieves.
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