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SN/T 4039-2014 English PDF

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SN/T 4039-2014: Determination of 1-naphthaleneacetamide, pyraflufen-ethyl, ethiprole, fipronil residues in foodstuffs for export. LC-MS/MS method
Status: Valid
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SN/T 4039-2014English499 Add to Cart 4 days [Need to translate] Determination of 1-naphthaleneacetamide, pyraflufen-ethyl, ethiprole, fipronil residues in foodstuffs for export. LC-MS/MS method Valid SN/T 4039-2014

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Basic data

Standard ID SN/T 4039-2014 (SN/T4039-2014)
Description (Translated English) Determination of 1-naphthaleneacetamide, pyraflufen-ethyl, ethiprole, fipronil residues in foodstuffs for 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 19,122
Date of Issue 12/1/2014
Date of Implementation 5/1/2015
Quoted Standard GB/T 6682
Regulation (derived from) State-Quality-Inspection-accreditation [2014] 614
Issuing agency(ies) General Administration of Customs
Summary This standard provides the food for export Naphthyl amide, topiramate grass ether, ethyl fipronil, fipronil residues in liquid chromatography - mass spectrometry/mass spectrometry methods. This standard applies to apples, spinach, onion in naphthylethyl a

SN/T 4039-2014: Determination of 1-naphthaleneacetamide, pyraflufen-ethyl, ethiprole, fipronil residues in foodstuffs for 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 1-naphthaleneacetamide, pyraflufen-ethyl, ethiprole, fipronil residues in foodstuffs for export. LC-MS/MS method People's Republic of China Entry-Exit Inspection and Quarantine Industry Standard Exporting foods such as naphthylacetamide, pyripramine, ethiprole, Method for determination of fipronil residue Liquid chromatography-mass spectrometry/mass spectrometry Determinationof1-naphthaleneacetamide, pyraflufen-ethyl, ethiprole, fipronil LC-MS/MSmethod Released on.2014-11-19 2015-05-01 implementation People's Republic The General Administration of Quality Supervision, Inspection and Quarantine issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that some of the contents of this document may involve patents. The issuing organization of this document is not responsible for identifying these patents. This standard is proposed and managed by the National Certification and Accreditation Administration. This standard was drafted. Jilin Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China. The main drafters of this standard. Rong Hui, Yan Jun, Kang Mingqin, Hu Tingting, Zhang Qi, Zhou Xiao, Ma Shumin, Wang Anying. Exporting foods such as naphthylacetamide, pyripramine, ethiprole, Method for determination of fipronil residue Liquid chromatography-mass spectrometry/mass spectrometry

1 Scope of application

This standard specifies the determination of naphthylacetamide, pyriprene, ethiprole and fipronil residues in exported foods by liquid chromatography-mass spectrometry/mass spectrometry. method. This standard applies to the determination and confirmation of naphthylacetamide, pyriprene, ethiprole, fipronil residues in apples, spinach and onion.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 6682 Analytical laboratory water specifications and test methods

3 Method summary

Residual naphthylacetamide, pyripramine, ethiprole, fipronil in the sample are extracted with acetonitrile, purified by HLB solid phase extraction column, liquid chromatography- Mass spectrometry/mass spectrometry determination and confirmation, external standard method quantification.

4 reagents and materials

Unless otherwise specified, the reagents used were of analytical grade and the water was the first grade water specified in GB/T 6682. 4.1 Acetonitrile. HPLC grade. 4.2 Formic acid. HPLC grade. 4.3 Sodium chloride. 4.4 Solution. Acetonitrile-water (28, by volume). 4.5 Constant volume liquid. acetonitrile-water (1% formic acid) (28 volume ratio). 4.6 Standards. See Table A.1 for details of the standards. 4.7 Standard stock solution. accurately weigh the appropriate amount of naphthylacetamide, pyriprene, ethiprole, fipronil standard substance, and prepare it with acetonitrile 100μg/mL standard stock solution, protected from light, stored at 0 °C ~ 4 °C, shelf life is 12 months. 4.8 Standard intermediate solution. Dilute the standard stock solution to 10 μg/mL with acetonitrile, protect from light, and store at 0 °C ~ 4 °C. The shelf life is 6 months. 4.9 Standard working solution. Standard working to dilute the standard intermediate liquid to the corresponding concentration with blank sample extract before use according to the test requirements Solution. Now available. 4.10 HLB solid phase extraction column (6mL/500mg). pre-treated with 5mL acetonitrile and 5mL water before use. 4.11 Microporous membrane TF. 0.22 μm. 4.12 Diatomaceous earth. 100 mesh to.200 mesh.

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