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Determination of carbamate pesticide residues in milk and dairy products. LC-MS-MS method
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Basic data
| Standard ID | SN/T 3156-2012 (SN/T3156-2012) |
| Description (Translated English) | Determination of carbamate pesticide residues in milk and dairy products. LC-MS-MS method |
| Sector / Industry | Commodity Inspection Standard (Recommended) |
| Classification of Chinese Standard | X16 |
| Classification of International Standard | 67.100 |
| Word Count Estimation | 36,385 |
| Quoted Standard | GB/T 6682 |
| Regulation (derived from) | National Quality Inspection (2012) 237; |
| Issuing agency(ies) | General Administration of Customs |
| Summary | This standard specifies the milk and milk products oxamyl, methomyl, pirimicarb, aldicarb metolcarb, bendiocarb, carbofuran, A Tu Wei, Furathiocarb, isoprocarb, B Diethofencarb, BPMC, propoxur and methiocarb 14 kinds of carbamate pesticide residues in vin |
SN/T 3156-2012: Determination of carbamate pesticide residues in milk and dairy products. LC-MS-MS method
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Determination of carbamate pesticide residues in milk and dairy products.LC-MS-MS method
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Milk and dairy products in a variety of carbamates
Determination of pesticide residues
Liquid chromatography - tandem mass spectrometry
LC-MS-MSmethod
Issued on. 2012-05-07
2012-11-16 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for identifying which of this patent.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. People's Republic of China Zhejiang Exit Inspection and Quarantine, Jilin People's Republic of China Entry-Exit Inspection and
Quarantine Bureau.
The main drafters of this standard. Wu Lili, Wang Mingtai, Li Aijun, Shen Bing, Hua Jia Huan, ZHANG MENGMENG, Zhang.
Milk and dairy products in a variety of carbamates
Determination of pesticide residues
Liquid chromatography - tandem mass spectrometry
1 Scope
This standard specifies the milk and milk products oxamyl, methomyl, pirimicarb, aldicarb, MTMC, insect Granville, carbofuran, carbaryl, furosemide line
Granville, Granville isopropyl, DIETHOTHFENCARB, bassa, propoxur and methiocarb 14 kinds of carbamate pesticide residues in liquid chromatography - tandem mass spectrometry
method.
This standard applies to whole milk, yogurt, milk, cheese and fruit milk oxamyl, methomyl, pirimicarb, aldicarb, MTMC, insect Granville, g
Budweiser, carbaryl, furathiocarb, isopropyl Granville, DIETHOTHFENCARB, bassa, propoxur and methiocarb residues measured and confirmed.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
Laboratory use specifications and test methods GB/T 6682 Analysis
3 Method summary
Sample was extracted with acetonitrile extract was solid phase extraction column purification, methanol, liquid chromatography - tandem mass spectrometry detection and confirmation of the outer
Standard method.
4 Reagents and materials
Water as a water GB/T 6682 regulations.
4.1 acetonitrile. residual level.
4.2 methanol. residual level.
4.3 formic acid. pure class distinctions.
4.4 methanol - water (6040, volume ratio). precise amount of 60mL of methanol and 40mL water, mix and reserve.
4.5 anhydrous sodium sulfate. AR, by burning 650 ℃ 4h, stored in a sealed container in the back.
4.6 Sodium chloride. AR.
4.7 Pesticide Standards. oxamyl, methomyl, pirimicarb, aldicarb, MTMC, insect Granville, carbofuran, carbaryl, furathiocarb, isopropyl Granville,
DIETHOTHFENCARB, bassa, propoxur and methiocarb like purity ≥98.5%. Standards information refer to Appendix A.
4.8 standard stock solution. Accurately weigh an appropriate amount of various carbamate were standard substance (4.7), prepared in methanol concentration
Standard stock solution 100μg/mL of, -18 ℃ preservation.
4.9 mixed standard intermediate solution. accurately draw the right amount of carbamate pesticides are standard stock solution (4.8), prepared in methanol and conc.
Degree of mixed standard 5μg/mL intermediate solution, -18 ℃ preservation.
4.10 matrix mixed standard working solution. draw an appropriate amount of the intermediate mixed standard solution as needed, with a blank sample matrix solution formulated as appropriate
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