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Determination of dinoseb residues in food for import and export. LC-MS/MS method
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SN/T 2457-2010
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Basic data | Standard ID | SN/T 2457-2010 (SN/T2457-2010) | | Description (Translated English) | Determination of dinoseb residues in food for import and export. LC-MS/MS method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | X04 | | Classification of International Standard | 67.050 | | Word Count Estimation | 19,175 | | Date of Issue | 2010-01-10 | | Date of Implementation | 2010-07-16 | | Regulation (derived from) | National Quality Inspection (2010) No. 13 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the import and export food dinoseb residues by liquid chromatography mass spectrometry/mass spectrometry. This standard applies to apples, chestnuts, cabbage, beef, honey, wheat, chicken, ginger, tea, soy and milk dinoseb residues detection and confirmation. | SN/T 2457-2010: Determination of dinoseb residues in food 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 dinoseb residues in food for import and export.LC-MS/MS method
Exit inspection and quarantine industry standard book People's Republic of China
Determination of imported and exported food Dinoseb residues
Liquid chromatography - mass spectrometry/mass spectrometry
Issued on. 2010-01-10
2010-07-16 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 was drafted by the People's Republic of China Hebei Exit Inspection and Quarantine.
The main drafters of this standard. segment Wenzhong, Jia Haitao, Wang Fengchi, Yi Lianfeng, Chenrui Chun, Guo Chunhai.
Determination of imported and exported food Dinoseb residues
Liquid chromatography - mass spectrometry/mass spectrometry
1 Scope
This standard specifies the imported and exported food Dinoseb residues of liquid chromatography - mass spectrometry/mass spectrometry methods.
This standard applies to apples, chestnuts, cabbage, beef, honey, wheat, chicken, ginger, tea, soy and milk Dinoseb residues detection
Testing and validation.
2 Method summary
The sample was extracted with acetonitrile remaining Dinoseb, purified by gel permeation chromatography, liquid chromatography - mass spectrometry/mass spectrometer, external standard method
Quantified.
3 Reagents and materials
Unless otherwise specified, reagents were of analytical grade, water is deionized water.
3.1 acetonitrile, HPLC fractions.
3.2 Methanol, HPLC grade.
3.3 cyclohexane.
3.4 ethyl acetate.
3.5 sodium chloride.
3.6 ethyl acetate - cyclohexane (1 + 1, volume ratio). an equal volume of ethyl acetate and cyclohexane miscible.
3.7 dinoseb standard. Formula, C10H12N2O5; CAS88-85-7; purity not less than 99%.
3.8 dinoseb standard stock solution. accurately weigh the right amount of dinoseb standard, prepared in methanol and 100μg/mL standard stock solution,
-18 ℃ the following storage.
3.9 dinoseb standard solution. accurately draw the right amount of dinoseb standard stock solution, diluted with methanol to the desired concentration, -18 ℃ to
Under storage.
3.10 0.22μm organic membrane.
4 instruments and equipment
4.1 Liquid chromatography - mass spectrometry/mass spectrometer. with electrospray ionization source.
4.2 Analysis of balance. a sense of the amount of 0.01g, 0.1mg.
4.3 tube. glass, 50mL.
4.4 gel permeation chromatography.
4.5 vortex mixer.
4.6 homogenizer.
4.7 centrifuge.
4.8 rotary evaporator.
4.9 meter dry nitrogen.
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