SN/T 2444-2010 English PDF

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SN/T 2444-2010: Determination of nequinate and decoquinate 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 2444-2010	499	Add to Cart	4 days	Determination of nequinate and decoquinate in foodstuffs of animal origin for import and export. LC-MS/MS method	Valid

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Basic data

Standard ID: SN/T 2444-2010 (SN/T2444-2010)
Description (Translated English): Determination of nequinate and decoquinate 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: 19,173
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 A benzyl quinoline and decoquinate residual liquid chromatography mass spectrometry/mass spectrometry. This standard applies to chicken, chicken liver, chicken kidney, eggs, beef and milk A benzyl quinoline and decoquinate residues and confirmation.

SN/T 2444-2010: Determination of nequinate and decoquinate 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.
Determination of nequinate and decoquinate 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 foodstuffs of animal origin methylbenzyl quinoline and Determination of decoquinate 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. Shenzhen Inspection and Quarantine Science Research Institute, Shenzhen People's Republic of China Exit Inspection and Quarantine. The main drafters of this standard. Kang Haining, Xiao Chengui, Xieli Qi, Hanrui Yang, Chen Jincan, Jinbao Hui, Lin Li, Zhang Jianying. This standard is the first release of the entry-exit inspection and quarantine industry standards. Import and export of foodstuffs of animal origin methylbenzyl quinoline and Determination of decoquinate residues Liquid chromatography - mass spectrometry/mass spectrometry

1 Scope

This standard specifies the food of animal origin methylbenzyl quinoline and decoquinate residues in liquid chromatography - mass spectrometry/mass spectrometry. This standard applies to the determination of chicken, chicken liver, chicken kidney, eggs, beef and milk methylbenzyl quinoline and decoquinate residues and confirmation.

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

The sample was extracted with acetonitrile remaining methyl benzyl quinoline and decoquinate, extract by solid phase extraction (SPE), liquid chromatography - mass spectrometry/mass spectrometry Testing and validation, external standard.

4 reagent material

Unless otherwise indicated, the reagents used were of analytical grade water as a water GB/T 6682 regulations. 4.1 acetonitrile. HPLC grade. 4.2 Methanol. HPLC grade. 4.3 N, N- dimethylformamide. HPLC grade. 4.4 chloroform. HPLC grade. 4.5 formic acid. HPLC grade. Ammonium acetate 4.6. HPLC grade. 4.7 sodium chloride. 4.8 30% aqueous acetonitrile. Measure 30mL acetonitrile (4.1) and 70mL of water, mix well. 4.9 sample volume solution. Measure 50mL acetonitrile (4.1) and 50mL of water, mix well, add 0.1mL of formic acid (4.5), mix well. 4.10 0.005mol/L ammonium acetate solution (containing 0.05% formic acid). Accurately weigh 0.3854g ammonium acetate (4.6), dissolved in water and transferred To 1000mL volumetric flask, was added 0.5mL of formic acid (4.5) with water to volume lines. 4.11 Standard substances. methyl benzyl quinoline (CAS Number. 13997-19-8), decoquinate (CAS Number. 18507-89-6), purity large At 99%. 4.12 standard stock solution. accurately weighed amount of methyl benzyl quinoline standard substance (4.11) with N, N- dimethylformamide (4.3) formulated as A concentration of 100mg/L of standard stock solution; Accurately weigh the right amount of decoquinate standard substance (4.11), (4.4) formulated with chloroform A concentration of 100mg/L standard stock solution of below -18 ℃ stored. 4.13 mixed intermediate standard solution. draw the appropriate amount of each standard stock solution (4.12), diluted mixed 10.0mg/L with acetonitrile (4.1) Intermediate standard solution, 0 ℃ ~ 4 ℃ stored. 4.14 OasisHLB SPE or equivalent by. 3mL, 60mg. Before use 5mL methanol (4.2), 5mL water activation, keeping ......

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