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SN/T 4813-2017: Determination of synthetic pyrethroids of live animal for import and export. GC-MS/MS
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Determination of synthetic pyrethroids of live animal for import and export. GC-MS/MS
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SN/T 4813-2017
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Basic data | Standard ID | SN/T 4813-2017 (SN/T4813-2017) | | Description (Translated English) | Determination of synthetic pyrethroids of live animal for import and export. GC-MS/MS | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | X22 | | Word Count Estimation | 12,159 | | Date of Issue | 2017-07-21 | | Date of Implementation | 2018-03-01 | | Regulation (derived from) | State-Quality-Inspection-Accreditation (2017) 337 | | Issuing agency(ies) | General Administration of Customs | SN/T 4813-2017: Determination of synthetic pyrethroids of live animal for import and export. GC-MS/MS
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(Method for determination of pyrethroid residues in foodstuffs and animals - Gas chromatography - mass spectrometry/ mass spectrometry)
People's Republic of China entry and exit inspection and quarantine industry standards
Import and export of animal pyrethroid residues
Determination method by gas chromatography-mass spectrometry/mass spectrometry
GC-MS/MS
Released on.2017-07-21
2018-03-01 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.
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, Ningbo Entry-Exit Inspection of the People's Republic of China
Epidemic situation.
The main drafters of this standard. Liu Wei, Zhang Daihui, Chen Shubing, Zhang Xun, Fu Yao, Kang Mingqin, Zhao Yuhui, Shi Jianping.
Import and export of animal pyrethroid residues
Determination method by gas chromatography-mass spectrometry/mass spectrometry
1 Scope
This standard specifies the gas chromatography-mass spectrometry/mass spectrometry method for the determination of pyrethroid residues in food animals for import and export.
This standard applies to the import and export of pigs, cattle, sheep and other animals in the blood and urine of bifenthrin, flumethrin, cyfluthrin, methrin,
Cypermethrin, deltamethrin, etofenproxil, fenpropathrin, fenvalerate, fluvalinate, permethrin and tefluthrin
Determination and confirmation of residual amount.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only the dated version applies 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
The pyrethroids remaining in the sample were extracted with acetonitrile solution, separated by anhydrous magnesium sulfate and sodium chloride, and the extract was passed through anhydrous sulfur.
Dissolution solid phase extraction purification of magnesium acid, PSA adsorbent and C18 solid phase adsorbent, gas chromatography-mass spectrometry/mass spectrometry detection and confirmation, matrix matching
Quasi-curve external standard method for quantification.
4 reagents and materials
All reagents were of analytical grade unless otherwise specified, and the water was the first grade water specified in GB/T 6682.
4.1 Acetonitrile. chromatographic grade.
4.2 Acetone. chromatographic grade.
4.3 Formic acid. chromatographic grade.
4.4 Acetic acid. chromatographic grade.
4.5 Anhydrous sodium acetate. analytically pure.
4.6 C18 solid phase adsorbent. particle size 40μm~60μm.
4.7 Ethylenediamine-N-propylsilane (PSA) Adsorbent. particle size 40μm~60μm.
4.8 Anhydrous magnesium sulfate. Analytically pure, 550 ° C for 4 h, cooled to room temperature in a desiccator, stored in a sealed bottle for use.
4.9 0.1% aqueous formic acid (volume fraction).
4.10 Pyrethroid pesticide standard. purity greater than or equal to 97%, see Table A.1 in Appendix A.
4.11 Pyrethroid standard stock solution. accurately weigh 12 pyrethroids each converted to 100% by mass
20.0mg, dissolved in acetone and dilute to 100mL, the concentration is equivalent to.200mg/L, the stock solution is stored in brown below -18 ° C
In the bottle, it can be stored in the dark for 12 months.
4.12 Pyrethroid mixed standard working solution. Prepare pyrethroid standard stock solution with acetone as needed
1.0 μg/mL pyrethroid mixed standard working solution. The mixed standard working solution should be prepared before use.
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