SN/T 2319-2009 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2319-2009	999	Add to Cart	5 days	Determination of quinoxyfen residue in food for import and export	Obsolete

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Basic data

Standard ID: SN/T 2319-2009 (SN/T2319-2009)
Description (Translated English): Determination of quinoxyfen residue in food for import and export
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: X04
Classification of International Standard: 67.050
Word Count Estimation: 25,291
Date of Issue: 2009-07-07
Date of Implementation: 2010-01-16
Quoted Standard: GB/T 6682
Regulation (derived from): Industry standard filing Notice 2009 No. 10 (No. 118 overall)
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the import and export food quinoxyfen residues liquid chromatography and liquid chromatography mass spectrometry/mass spectrometry detection method. This standard applies to beans, cauliflower, cherries, mushrooms, wine, tea, honey, liver, chicken, eel quinoxyfen residues and confirmation.

SN/T 2319-2009: Determination of quinoxyfen residue in food for import and export

---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 quinoxyfen residue in food for import and export Exit inspection and quarantine industry standard book People's Republic of China Import and export food quinoxyfen Residue Detection Posted 2009-07-07 2010-01-16 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

The Standard Appendix A, Appendix B, Appendix C are informative appendices. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Fujian Entry-Exit Inspection and Quarantine Tianjin People's Republic of China Bureau, People's Republic of China Shanghai Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. Yang Fang, Yu Lu sound, SOUTHERN Liu Cai, Lin Yonghui, Li Jie, Lin Anqing, Li Bo, blue brocade, Jiangjin Bin. This standard is the first release of the entry-exit inspection and quarantine industry standards. Import and export food quinoxyfen Residue Detection

1 Scope

This standard specifies the LC and LC import and export food quinoxyfen residues - MS/MS detection method. This standard applies to soybeans, broccoli, cherries, mushrooms, wine, tea, honey, pork liver, chicken, eel quinoxyfen residues measure Set 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. Laboratory use specifications and test methods GB/T 6682 Analysis

3 Method summary

Sample remaining quinoxyfen using ethyl acetate saturated sodium bicarbonate solution or oscillation - extracted with ethyl acetate, NH2 solid phase extraction column Purification or gel permeation chromatography with NH2 SPE column purification, liquid chromatography or liquid chromatography - mass spectrometry/mass spectroscopy and confirmed, External standard.

4 Reagents and materials

Unless otherwise specified, the reagents were of analytical grade water as a water GB/T 6682 regulations. 4.1 hexane. chromatographically pure. 4.2 ethyl acetate. chromatography. 4.3 acetonitrile. chromatography. 4.4 Methanol. chromatographically pure. 4.5 Cyclohexane. chromatography. 4.6 acetone. chromatography. 4.7 sodium bicarbonate. 4.8 anhydrous sodium. before use at 650 ℃ drying 4h, sealed. 4.9 cyclohexane - ethyl acetate solution. Measure 50mL of cyclohexane and ethyl acetate, respectively, and mix. 4.10 5% acetone - n-hexane. acetone pipette 5mL in 95mL hexane, and mix. 4.11 50% acetonitrile - water. amount of each 50mL 50mL of acetonitrile and water, and mix. 4.12 saturated sodium bicarbonate solution. Weigh a certain amount of sodium bicarbonate dissolved in an aqueous solution to saturation. 4.13 quinoxyfen Standards (English name Quinoxyfen, molecular formula C15H8Cl2FNO, CASN o.124495-18-7, relative molecular mass Amount 308.14). purity greater than or equal to 98%. 4.14 quinoxyfen stock standard solution (100mg/L). Weigh accurately 0.0100g quinoxyfen standard substance dissolved in methanol and set the volume to 100mL, the standard stock solution can be stored for three months at 4 ℃. 4.15 quinoxyfen standard working solution. necessary take appropriate standard stock solution with 50% aqueous acetonitrile solution was diluted to the appropriate concentration of the standard work As a liquid. Standard stock solution can be stored for one month at 4 ℃. 4.16 amino (NH2) SPE. 500mg, 3mL. 4.17 filter. 0.45μm, 0.22μm, organic. ......

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