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SN/T 2157-2008: Determination of mequindox residue in foodstuffs of animal origin for import and export. HPLC-MS/MS method
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 2157-2008 | English | 239 |
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Determination of mequindox residue in foodstuffs of animal origin for import and export. HPLC-MS/MS method
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SN/T 2157-2008
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PDF similar to SN/T 2157-2008
Basic data | Standard ID | SN/T 2157-2008 (SN/T2157-2008) | | Description (Translated English) | Determination of mequindox residue in foodstuffs of animal origin for import and export. HPLC-MS/MS method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | C53 | | Classification of International Standard | 07.100.30 | | Word Count Estimation | 9,936 | | Date of Issue | 2008-09-04 | | Date of Implementation | 2009-03-16 | | Quoted Standard | GB/T 6682 | | Regulation (derived from) | Industry standard filing Notice No. 11 of 2008 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the import and export of foodstuffs of animal origin mequindox determination of residual liquid chromatography mass spectrometry/mass spectrometry. This standard applies to pork, chicken livers, chicken kidney, fish, milk, honey mequindox determination and confirmation. | SN/T 2157-2008: Determination of mequindox residue in foodstuffs of animal origin for import and export. HPLC-MS/MS method
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Determination of mequindox residue in foodstuffs of animal origin for import and export.HPLC-MS/MS method
Exit inspection and quarantine industry standard book People's Republic of China
Import and export of food of animal origin
Detection mequindox Residues
Liquid chromatography - mass spectrometry/mass spectrometry
Posted 2008-09-04
2009-03-16 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
Appendix 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. Jilin People's Republic of China Exit Inspection and Quarantine, Chongqing, People's Republic of China Entry-Exit Inspection and
Quarantine Bureau.
The main drafters of this standard. ZHANG Dai Hui, Mou Jun, glory be, Wang Guomin, Handa Chuan, Wang Mingtai.
This standard is the first release of the entry-exit inspection and quarantine industry standards.
Import and export of food of animal origin
Detection mequindox Residues
Liquid chromatography - mass spectrometry/mass spectrometry
1 Scope
This standard specifies the determination of net import and export of animal derived food residues dysentery liquid chromatography - mass spectrometry/mass spectrometry.
This standard applies to pork, chicken liver, chicken kidney, fish, milk, honey mequindox determination 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 6682-2008, ISO 3696. 1987, MOD)
3 Method summary
Sample remaining mequindox homogenization or ultrasonic extraction with chloroform, and the extract was concentrated, HLB SPE column purification, with liquid
Chromatography - mass spectrometry/mass spectrometry and validation, 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 Methanol. chromatographically pure.
4.2 chloroform. chromatography.
4.3 anhydrous sodium sulfate. After burning 650 ℃ 4h, stored in a sealed container in the back.
4.4 Methanol - water (1 + 1, volume ratio).
4.5 mequindox standard substance (Mequindox, molecular formula. C11H10N2O3). 97% or greater purity.
4.6 preparation of standard stock solution. Weigh accurately take the right amount of standard substance (4.5), formulated with methanol (4.1) to a concentration of 1000μg/mL of
Standard stock solution, dark -18 ℃ preservation.
Prepare a standard working solution of intermediate 4.7. accurate Pipette a certain volume of standard stock solution (4.6), diluted with methanol (4.1) to the appropriate concentration
Standard intermediate working fluid, dark -18 ℃ preservation.
4.8 Matrix standard working solution preparation. accurately Pipette a volume of intermediate standard working solution (4.7), can be extracted with a blank sample needed
It was diluted to the appropriate concentration of standard working solution to prepare today.
4.9 SPE column. WatersoasisHLB solid phase extraction column, 500mg, 6mL, or equivalent person.
4.10 microporous membranes. organic, 0.20μm.
5. Apparatus
5.1 liquid chromatography tandem quadrupole mass spectrometer. with electrospray ionization (ESI).
5.2 Solid phase extraction device.
5.3 Organization mashed machines.
5.4 homogenizer.
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