SN/T 2445-2010 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2445-2010	719	Add to Cart	3 days	Determination of pentachlorophenol residues in foodstuffs of animal origin for import and export. LC-MS/MS method	Obsolete

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Basic data

Standard ID: SN/T 2445-2010 (SN/T2445-2010)
Description (Translated English): Determination of pentachlorophenol residues in foodstuffs of animal origin for import and export. LC-MS/MS method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: X22
Classification of International Standard: 67.120.01
Word Count Estimation: 18,110
Date of Issue: 2010-01-10
Date of Implementation: 2010-07-16
Quoted Standard: GB/T 6682
Regulation (derived from): National Quality Inspection (2010) No. 13
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the food of animal origin pentachlorophenol residues sample preparation, liquid chromatography mass spectrometry/mass spectrometry. This standard applies to liver, kidney, pork, milk, fish, shrimp, crabs and other foods of animal origin Determination of pentachlorophenol residues.

SN/T 2445-2010: Determination of pentachlorophenol residues in foodstuffs of animal origin for import and export. LC-MS/MS method

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Determination of pentachlorophenol 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 food of animal origin PCP Residue Detection 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. Shenzhen Inspection and Quarantine Science Research Institute, People's Republic of China Shandong Exit Inspection and Quarantine of the People Republic of Jiangsu CIQ. The main drafters of this standard. Zhaofeng Juan, Xiao Chengui, Yuezhen Feng, Lin Liming, Xu Jinzhong, Lai are high, Lili Su, Zhang Jianying. This standard is the first release of the entry-exit inspection and quarantine industry standards. Import and export food of animal origin PCP Residue Detection Liquid chromatography - mass spectrometry/mass spectrometry

1 Scope

This standard specifies the food of animal origin pentachlorophenol residues in sample preparation, liquid chromatography - mass spectrometry/mass spectrometry. This standard applies to food of animal origin determination of pentachlorophenol residues in liver, kidney, pork, milk, fish, shrimp, crab and so on.

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

PCP in the sample with an alkaline aqueous acetonitrile extraction residue, the MAX solid phase extraction cartridge, concentrated, constant volume, using liquid chromatography Spectrum - MS/MS detection and confirmation, external standard.

4 Reagents and materials

Unless otherwise indicated, the reagents used were HPLC grade water as a water GB/T 6682 regulations. 4.1 acetonitrile. 4.2 methanol. Acetonitrile + 4.3 water. 7 + 3 (volume ratio). 4.4 triethylamine. AR. 4.5 5% triethylamine acetonitrile - water. the exact amount of 50mL triethylamine (4.4), transferred into 1000mL volumetric flask with acetonitrile + water (4.3) to the mark and mix well. 4.6 formic acid. 4.7 ammonium acetate. 4.8 5% aqueous ammonia solution. Measure 200mL concentrated aqueous ammonia (25%), transferred into 1000mL volumetric flask with water to volume, and mix well. 4.9 4% formic acid in methanol solution. an amount of 10mL formic acid, transferred into a 250mL volumetric flask with methanol to volume, and mix well. 4.10 2% formic acid aqueous methanol solution. take a certain amount of 4% formic acid in methanol (4.9) and the volume of water and mix well. 4.11 5mmol/L aqueous ammonium acetate solution. Accurately weigh 0.3854g ammonium acetate (4.7), dissolved in water and transferred to a 1000mL volumetric flask In to volume, mix evenly. 4.12 Standard substances. sodium pentachlorophenol (pentachlorophenolsodiumsalt), CAS number. 131-52-2 purity ≥94.5%, or quite. 4.13 standard solution 4.13.1 Standard stock solution. Weigh commuted equivalent to 10mg (accurate to 0.1mg) PCP standards, dissolved in methanol and is scheduled Volume to 50mL brown volumetric flask, was the concentration of standard stock solution 200mg/L of. This stock solution can be dark below -18 ℃ Storage for 12 months. ......

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