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Determination of residues of thyreostats in foodstuffs of animal origin -- HPLC-MS/MS method
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GB/T 21310-2007
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Basic data | Standard ID | GB/T 21310-2007 (GB/T21310-2007) | | Description (Translated English) | Determination of residues of thyreostats in foodstuffs of animal origin -- HPLC-MS/MS method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | X04 | | Classification of International Standard | 67.120 | | Word Count Estimation | 14,161 | | Date of Issue | 2007-10-29 | | Date of Implementation | 2008-04-01 | | Regulation (derived from) | China National Standard Approval Announcement2007 No.13 (Total No.113) | | 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 thiouracil (2-THIOURACIL, TU), methimazole (mETHImAZOLE, TAP), methyl thiouracil (mETHYL THIOURACIL, mTU), propylthiouracil (PROPYL THIOURACIL, PTU), phenyl PTU (pHENYL THI-OURACIL, pHTU), 2-mercaptobenzothiazole m ??yl (2-mERCAPTOBENZImIDAZOLE, mBI) residues of high performance liquid chromatography/tandem mass spectrometry method of. This standard applies to food of animal origin muscle (rabbit, chicken, beef, pork), offal (rabbit liver, liver), milk and eggs Thiouracil, methimazole, methyl thiouracil, propylthiouracil pyrimidine, phenyl thiouracil, 2-mercaptobenzimidazole residues qualitative and quantitative determination of confirmation. | GB/T 21310-2007: Determination of residues of thyreostats in foodstuffs of animal origin -- HPLC-MS/MS method
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Determination of residues of thyreostats in foodstuffs of animal origin. HPLC-MS/MS method
ICS 67.120
X04
National Standards of People's Republic of China
Foodstuffs of animal origin in thyroid antagonists Residues
Detection Performance Liquid Chromatography/Tandem Mass Spectrometry
Posted 2007-10-29
2008-04-01 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, Appendix C are informative appendices.
This standard was proposed by the State Administration of Quality Supervision Inspection and Quarantine of People's Republic of China.
This standard by the National Certification and Accreditation Administration Committee.
This standard was drafted. China Inspection and Quarantine Science Research Institute, People's Republic of China Shandong CIQ.
The main drafters of this standard. Peng Tao, Yu Jing, Guo Wei, Li Xiaojuan, Sun Lee, Gun, on behalf of the Chinese Hui, Zhang Hongwei, Chu Xiaogang, Tang Ying Zhang.
Foodstuffs of animal origin in thyroid antagonists Residues
Detection Performance Liquid Chromatography/Tandem Mass Spectrometry
1 Scope
This standard specifies the foods of animal origin thiouracil (2-thiouracil, TU), methimazole (methimazole, TAP), methyl
PTU (methylthiouracil, MTU), propylthiouracil (propylthiouracil, PTU), phenyl thiouracil (phenylthi-
ouracil, PhTU), 2- mercaptobenzimidazole (2-mercaptobenzimidazole, MBI) residues in High Performance Liquid Chromatography/Tandem Mass Spectrometry
method.
This standard applies to foods of animal origin muscle (rabbit, chicken, beef, pork), viscera (rabbit liver, chicken liver), milk and eggs thiouracil,
Methimazole, methyl thiouracil, propylthiouracil, phenyl thiouracil, 2-mercaptobenzimidazole residues in qualitative quantitative 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 6682-1992, neq ISO 3696. 1987)
3 Method summary
Using ethyl acetate to extract the sample remaining thiouracil, methimazole, methyl thiouracil, propylthiouracil, phenyl and PTU
2- mercaptobenzimidazole, extract by liquid-liquid partition and HLB solid-phase extraction (SPE), high performance liquid chromatography/tandem mass spectrometry detection
Measurement, internal standard.
4 Reagents and materials
Unless otherwise noted, all reagents were of analytical grade water as a water GB/T 6682 regulations.
4.1 Methanol. HPLC fractions.
4.2 formic acid. HPLC fractions.
Ethyl acetate 4.3. HPLC grade.
4.4 hexane. HPLC fractions.
4.5 acetonitrile. HPLC fractions.
4.6 phosphoric acid.
4.7 mercaptoethanol.
4.8 disodium edetate dihydrate.
4.9 anhydrous sodium. 650 ℃ burning 4h, placed in a desiccator.
4.10 0.1mol/L disodium edetate solution. Weigh accurately disodium edetate dihydrate 37.2g (4.8), dissolved in water and
The volume to 1L.
4.11 acetonitrile saturated with n-hexane. After the amount of n-hexane 80mL to 100mL separating funnel, adding an appropriate amount of acetonitrile, shaken vigorously, to be divided
After the match balanced, acetonitrile layer was discarded.
4.12 0.1% formic acid aqueous solution. accurately measure 1mL acid (4.2), water volume to 1L.
4.13 0.0025mol/L phosphate. the exact amount of 0.2mL phosphate, water volume to 1L.
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GB/T 21310-2007: Determination of residues of thyreostats in foodstuffs of animal origin -- HPLC-MS/MS method
Status: Valid
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