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GB/T 23218-2008: Determination of zeranol residues in animal original food -- LC-MS-MS method
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 23218-2008 | English | 279 |
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Determination of zeranol residues in animal original food -- LC-MS-MS method
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GB/T 23218-2008
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Basic data | Standard ID | GB/T 23218-2008 (GB/T23218-2008) | | Description (Translated English) | Determination of zeranol residues in animal original food -- LC-MS-MS method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | X04 | | Classification of International Standard | 67.050 | | Word Count Estimation | 12,110 | | Date of Issue | 2008-12-31 | | Date of Implementation | 2009-06-01 | | Quoted Standard | GB/T 6379.1; GB/T 6379.2; GB/T 6682 | | Regulation (derived from) | National Standard Approval Announcement 2008 No.27 (Total No.140) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the foods of animal origin zeranol (zeranol), ��- zeranol (��-zearalanol) and maize gibberellic oxazolidinone (zearalanone) residues by high performance liquid chromatography-tandem mass spectrometry method for measuring. This standard applies to animal muscle, liver, fish, eggs and milk zearalanol, ��- alcohol measurement corn corn gibberellic gibberellic oxazolidinone residues. This standard method detection limit of 1��g/kg. | GB/T 23218-2008: Determination of zeranol residues in animal original food -- 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 zeranol residues in animal original food. LC-MS-MS method
ICS 67.050
X04
National Standards of People's Republic of China
Determination of zeranol residues in food of animal origin
Liquid chromatography - tandem mass spectrometry
Posted 2008-12-31
2009-06-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
The Standard Appendix A, Appendix B is an informative annex.
This standard is proposed and managed by the State Administration of Quality Supervision Inspection and Quarantine of People's Republic of China.
This standard was drafted. People's Republic of China Qinhuangdao Exit Inspection and Quarantine, People's Republic of China Shanghai Entry-Exit Inspection and
Quarantine Bureau.
The main drafters of this standard. Fang Xiaoming, Sheng Yonggang, Wang Min, Wang Chuan now, Pang Guofang.
Determination of zeranol residues in food of animal origin
Liquid chromatography - tandem mass spectrometry
1 Scope
This standard specifies the foods of animal origin zeranol (zeranol), β- zeranol (β-zearalanol) and corn gibberellic oxazolidinone
(Zearalanone) residues by high performance liquid chromatography - tandem mass spectrometry.
This standard applies to animal muscle, liver, fish, eggs and milk zeranol, β- corn gibberellic alcohol corn gibberellic oxazolidinone Residues
Determination.
The standard method detection limit of 1μg/kg.
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 6379.1 measurement methods and results of Accuracy (trueness and precision) - Part 1. General principles and definitions
(GB/T 6379.1-2004, ISO 5725-1.1994, IDT)
GB/T 6379.2 measurement methods and results of Accuracy (trueness and precision) - Part 2. Determine the standard measurement method to repeat
Of the basic methods of reproduction (GB/T 6379.2-2004, ISO 5725-2.1994, IDT)
GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD)
Principle 3
Samples were β- glucosidase acid - sulfuric acid ester compound after enzymatic hydrolysis, and extracted with ether, extracted by liquid-liquid partition solution, HLB solid phase extraction column net
After the technology by liquid chromatography - tandem mass spectrometer, external standard.
4 Reagents and materials
Unless otherwise specified, the reagents were of analytical grade, test water should be consistent with GB/T 6682 a water standards.
4.1 Methanol. chromatographically pure.
4.2 acetonitrile. chromatography.
4.3 anhydrous ether.
4.4 chloroform.
4.5 sodium hydroxide.
4.6 sodium acetate (NaAc · 3H2O).
4.7 Phosphate. greater than 85% purity.
4.8 glacial acetic acid.
4.9 0.5mol/L sodium hydroxide solution. Weigh 20g sodium hydroxide dissolved in water and dilute to 1L.
4.10 0.05mol/L sodium acetate buffer solution. Weigh 6.8g sodium acetate, dissolved in 950mL of water, glacial acetic acid to adjust pH to 4.8,
The volume to 1L.
4.11 phosphoric acid solution (1 + 4). 10mL 40mL phosphoric acid and water.
4.12 methanol - water (1 + 1). 50mL of methanol and 50mL of water.
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