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Determination of multiple residues of organochlorine pesticides in milk and dairy products for export. GC-MS/MS method
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Basic data | Standard ID | SN/T 3036-2011 (SN/T3036-2011) | | Description (Translated English) | Determination of multiple residues of organochlorine pesticides in milk and dairy products for export. GC-MS/MS method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | X16 | | Classification of International Standard | 67.100 | | Word Count Estimation | 28,240 | | Date of Issue | 2011-09-09 | | Date of Implementation | 2012-04-01 | | Quoted Standard | GB/T 6682 | | Regulation (derived from) | National-Quality-Inspection-accreditation (2011) 492 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the milk and dairy products organochlorine pesticide residues in a variety of gas chromatography-mass spectrometry/mass spectrometry methods. This standard applies to liquid milk, milk, yogurt (semi-solid), cream, toffee milk and dairy products, such as a- BHC, ��- BHC, lindane, ��- BHC, o, p "- DDT, p, p "- DDT, o, p"-DDE, p, p "- DDE, o, p"-DDD, p, p "- DDD, methoxychlor, seven endrin ketone, , chlorine, heptachlor epoxide, aldrin, dieldrin, endrin, endrin aldehyde cis-chlordane, trans-chlordane, oxidation chlordane, ��- endosulfan, ��- endosulfan, endosulfan sulfate, hexachlorobenzene, tecnazene, PCNB, five chloroaniline, pentachlorophenyl methyl sulfide, mirex 30 kinds of organic pesticides catch Determination of residues and confirmation. | SN/T 3036-2011: Determination of multiple residues of organochlorine pesticides in milk and dairy products for export. GC-MS/MS method
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Determination of multiple residues of organochlorine pesticides in milk and dairy products for export.GC-MS/MS method
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Exports of milk and dairy products organochlorine pesticides
Determination of the amount of residual gas chromatography - mass spectrometry/mass spectrometry
Issued on. 2011-09-09
2012-04-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
This standard is based on GB/T 1.1-2009 "Standardization Guide Part 1. Standard structure and preparation of", GB/T 20001.4-
2001 "Rules for drafting standards - Part 4. Chemical analysis methods" and SN/T 0001-1995 "export commodities, pesticides, veterinary drug residues in and
Biotoxins prepared the basic provisions of the standard method "for drafting.
Please note that some of the content of this standard may involve patents, the issuing authority of this standard does not assume the responsibility to identify these patents.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. Chongqing, People's Republic of China Entry-Exit Inspection and Quarantine Wenzhou People's Republic of China
Bureau of Chongqing Import and Export Food Safety Engineering Technology Research Center, Chinese Academy of Inspection and Quarantine.
The main drafters of this standard. Zhengguo Can, Liu Yi, Han Chao, Zhang Lei, Peng Tao, Lixian Liang, Wang Guomin Li Ying State, Cao Shurui, Xi was saved.
Exports of milk and dairy products organochlorine pesticides
Determination of the amount of residual gas chromatography - mass spectrometry/mass spectrometry
1 Scope
This standard specifies the milk and dairy products organochlorine pesticide residues in various gas chromatography - mass spectrometry/mass spectrometry methods.
This standard applies to liquid milk, milk powder, yogurt (semi-solid), ice cream, candy and other milk and dairy products BHC α-, β- BHC forest
Dan, δ- BHC, o, p'- DDT, p, p'- DDT, o, p'- DDE, p, p'- DDE, o, p'- DDD, p , p'- DDD, A
Oxygen DDT, heptachlor, heptachlor epoxide, aldrin, dieldrin, endrin, endrin aldehyde and endrin ketone, cis - chlordane, trans - chlordane,
Oxidation chlordane, α- endosulfan, β- endosulfan, endosulfan sulfate, hexachlorobenzene, tetrachloro-nitrobenzene, PCNB, pentachlorophenol aniline, methyl sulfide PeCB
Ether, mirex 30 kinds of organochlorine pesticide residues - Determination and confirmation.
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 organochlorine pesticide residues with n-hexane - after (11, volume ratio) solution was extracted acetone extract was concentrated and purified by gel permeation chromatography
Spectrum and Florisil column cleanup by gas chromatography - mass spectrometry/mass spectrometer and validation, external standard peak area quantification.
4 Reagents and materials
Unless otherwise specified, the reagents were of analytical grade water as a water GB/T 6682 regulations.
4.1 hexane. chromatographically pure.
4.2 acetone. chromatography.
4.3 dichloromethane. chromatography.
4.4 cyclohexane.
4.5 ethyl acetate.
4.6 anhydrous sodium. 650 ℃ burning 4h, cooled in a desiccator to room temperature and stored in a sealed bottle aside.
4.7 sodium chloride.
4.8 extract. Take appropriate amount of n-hexane (4.1) and acetone (4.2) by volume ratio of 1 were mixed.
4.9 Gel permeation chromatography eluent. Apply cyclohexane (4.4) and ethyl acetate (4.5) by volume ratio of 1 were mixed.
4.10 Solid Phase Extraction eluent. Take appropriate amount of n-hexane (4.1) and dichloromethane (4.3) were mixed volume ratio of 5.95.
4.11 Pesticide standard substance. purity ≥95%.
4.12 standard stock solution. Accurately weigh each standard and take an appropriate amount of n-hexane preparation of a concentration of 100μg/mL standard stock solution,
This solution was stored at 0 ℃ ~ 4 ℃ in the dark.
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