SN/T 1988: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 1988-2023 | English | RFQ |
ASK
|
3 days [Need to translate]
|
(Determination of cephalosporin antibiotic residues in foods of exported animal origin Liquid chromatography-mass spectrometry/mass spectrometry)
| Valid |
SN/T 1988-2023
|
| SN/T 1988-2007 | English | 759 |
Add to Cart
|
4 days [Need to translate]
|
Determination of cefalexin, cephapirin and cefazolin residues in foodstuffs of animal origin for import and export. LC-MS/MS method
| Obsolete |
SN/T 1988-2007
|
PDF similar to SN/T 1988-2023
Basic data | Standard 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Standard | 67.050 | | Date of Issue | 2023-11-01 | | Date of Implementation | 2024-05-01 | | Older Standard (superseded by this standard) | SN/T 1988-2007 | | Issuing agency(ies) | General Administration of Customs | SN/T 1988-2007: Determination of cefalexin, cephapirin and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
Foreword
The 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 spectrometry
1 Scope
This 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 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.
3 Sample Preparation and Storage
3.1 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 summary
With 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 materials
Unless 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.
|