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SN/T 2458-2010 English PDF

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SN/T 2458-2010: Determination of tridemorph residues in foods for import and export. LC-MS/MS method
Status: Valid
Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
SN/T 2458-2010549 Add to Cart 4 days Determination of tridemorph residues in foods for import and export. LC-MS/MS method Valid

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Basic data

Standard ID: SN/T 2458-2010 (SN/T2458-2010)
Description (Translated English): Determination of tridemorph residues in foods 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: 21,269
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 Tridemorph residual liquid chromatography mass spectrometry/mass spectrometry. This standard applies to apples, spinach, ginger, wheat, peanuts, beef, chicken, fish, soy, honey, milk, and tea Tridemorph residue detection and confirmation.

SN/T 2458-2010: Determination of tridemorph residues in foods 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 tridemorph residues in foods for import and export.LC-MS/MS method Exit inspection and quarantine industry standard book People's Republic of China Determination of import and export food morpholino residue in it thirteen 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 is drafted by. People's Republic of China Hebei Exit Inspection and Quarantine. The main drafters of this standard. Yilian Feng, Wang Fengchi, segment, Fan, Guo Chunhai, Chenrui Chun, Li Wei. Determination of import and export food morpholino residue in it thirteen Liquid chromatography - mass spectrometry/mass spectrometry

1 Scope

This standard specifies the imported and exported food tridemorph residues by liquid chromatography - mass spectrometry/mass spectrometry. This standard applies to apples, spinach, ginger, wheat, peanuts, beef, chicken, fish, soy, honey, milk and tea tridemorph Residues Testing and validation.

2 Method summary

Analyte in the sample extracted with ethyl acetate or acetonitrile - extracted with ethyl acetate, the extract was concentrated after solid phase extraction column by GCB/amino After purification or gel chromatography, liquid chromatography - mass spectrometry/mass spectrometry, external standard.

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 ethyl acetate. 3.4 cyclohexane. 3.5 toluene. 3.6 acetonitrile - ethyl acetate (50 + 50, volume ratio). an equal volume of acetonitrile and ethyl acetate solubility. 3.7 acetonitrile - toluene (3 + 1, volume ratio). Take 30mL and 10mL toluene and acetonitrile, mix well. 3.8 ethyl acetate - cyclohexane (50 + 50, volume ratio). an equal volume of ethyl acetate and cyclohexane miscible. 3.9 0.1% formic acid aqueous solution. Take 1mL acid with water to dilute to 1L, and mix. 3.10 Standard. tridemorph (C19H39NO, CAS Number. 81412-43-3) greater than or equal to 98% purity. 3.11 Standard stock solution. accurately weighed amount of standard, with acetonitrile formulated into standard stock solution 100μg/mL of. This solution was -18 ℃ cold Frozen preservation. 3.12 standard working solution. Apply standard stock solution (3.11) formulated with acetonitrile to a concentration of 1μg/mL standard working solution, this solution -18 ℃ cryopreservation. 3.13 graphitized carbon black column/amino column composite column. 500mg, 6mL; carbon black or graphite column (500mg, 6mL) and amino column (500mg, 3mL) in series from top to bottom, before use 3mL acetonitrile - activation toluene (3.7). 3.14 0.45μm organic membrane.

4 instruments and equipment

4.1 High performance liquid chromatography - mass spectrometry/mass spectrometer. with electrospray ionization (ESI). 4.2 gel chromatography. 4.3 Analysis of balance. a sense of the amount of 0.01g, 0.1mg. 4.4 homogenizer. 4.5 centrifuge. 4.6 nitrogen blowing instrument.
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