SN/T 2219-2008 English PDF

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SN/T 2219-2008: Detemination of dapsone and its metabolite residues in foodstuffs of animal origin for import and export. LC/MS/MS method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2219-2008	469	Add to Cart	3 days	Detemination of dapsone and its metabolite residues in foodstuffs of animal origin for import and export. LC/MS/MS method	Valid

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Basic data

Standard ID: SN/T 2219-2008 (SN/T2219-2008)
Description (Translated English): Detemination of dapsone and its metabolite residues in foodstuffs of animal origin for import and export. LC/MS/MS method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: X04
Word Count Estimation: 18,120
Date of Issue: 2008-11-18
Date of Implementation: 2009-06-01
Quoted Standard: GB/T 6682
Regulation (derived from): National Quality Inspection [2008] No. 577
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the animal-derived foods dapsone and its metabolite N-acetyl dapsone residues sample preparation, liquid chromatography mass spectrometry/mass spectrometry and confirmatory methods. This standard applies to the muscles, organs, fish, milk and eggs and other foods of animal origin dapsone and its metabolite N-acetyl dapsone residues determination.

SN/T 2219-2008: Detemination of dapsone and its metabolite residues in foodstuffs of animal origin 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.
Detemination of dapsone and its metabolite residues in foodstuffs of animal origin for import and export.LC/MS/MS method Exit inspection and quarantine industry standard book People's Republic of China Import and export of animal derived food and dapsone Metabolites Residues Method Liquid chromatography - mass spectrometry/mass spectrometry Posted 2008-11-18 2009-06-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

Appendix A of this standard and Appendix B is an informative annex. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China, Shenzhen Entry-Exit Inspection and Quarantine Chongqing People's Republic of China, People's Republic of China Anhui CIQ. The main drafters of this standard. Yuezhen Feng, Hua Honghui, Zhaofeng Juan, Wang Guomin, a dream Zhu Xu, Lin Li, Zhang Jianying, Hou Yuexi, Ouyang Shan, Xiao Chengui. This standard is the first release of the entry-exit inspection and quarantine industry standards. Import and export of animal derived food and dapsone Metabolites Residues Method Liquid chromatography - mass spectrometry/mass spectrometry

1 Scope

This standard specifies the foods of animal origin dapsone and its metabolite N- acetyl dapsone residual amounts of sample preparation, liquid chromatography - mass spectrometry / Mass spectrometry and confirmation methods. This standard applies to muscles, organs, fish, milk and eggs and other foods of animal origin dapsone and its metabolite N- acetyl dapsone The remaining assay.

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 6682-2008, ISO 3696. 1987, MOD)

3 Method summary

Sample of dapsone and its metabolite N- acetyl dapsone residue with an alkaline acetonitrile solution extracted by solid phase extraction (SPE), concentrated, After constant volume by liquid chromatography - mass spectrometry/mass spectrometry detection and confirmation, internal standard.

4 Reagents and materials

Unless otherwise indicated, the reagents used were of analytical grade water as a water GB/T 6682 regulations. 4.1 acetonitrile chromatography. 4.2 Methanol, HPLC grade. Aqueous acetonitrile + 4.3, 95 + 5 (volume ratio). Aqueous acetonitrile + 4.4, 15 + 85 (volume ratio). 4.5 ammonia, 25%. Acetonitrile solution of 1% aqueous ammonia 4.6. Imbibe 10mL ammonia (4.5), transferred into 1000mL volumetric flask with acetonitrile to volume, well mixed. Ammonia acetonitrile + 4.7, 1 + 9 (volume ratio), accurately weighed 100mL aqueous ammonia (4.5) and 900mL of acetonitrile and mix well. 4.8 n-hexane. 4.9 hydrochloric acid. 4.10 hydrochloric acid solution (0.1mol/L). the exact amount of 17mL of hydrochloric acid, diluted with water to 1000mL. 4.11 Standard substances. dapsone, Dapsone, CASN o. 80-08-0, purity not less than 99%; N- acetyl dapsone, N-Acetyl Dapsone, CASN o. 565-20-8 purity of not less than 98%; d8- dapsone, DapsoneDeuterated, purity greater than or equal to 98%. 4.12 standard solution 4.12.1 Standard stock solution. Weigh commuted equivalent to 5mg (accurate to 0.1mg) of N- acetyl dapsone and dapsone, with armor Alcohol was dissolved and set the volume to 10mL brown volumetric flask, was the concentration of 500mg/L of standard stock solution. This stock solution can be -20 ℃ below dark storage for 12 months. ......

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