Method I in this standard specifies the gas chromatography - mass spectrometry (GC-MS) for determining the benzenehexachloride (HCH), dichlorodiphenyl trichloroethane (DDT), hexachlorobenzene (HCB), heptachlor, heptachlor eqoxide, chlordane, aldrin, dieldrin, endrin, mirex, pentachloronitrobenzene (PCNB), endosulfan, fenson, allethrin, 2, 4-diehlorophenyl benzensulfonate, ovex, tetramethrin, fenpropathrin, permethrin, cypermethrin, fenvalerate and deltamethrin in animal original foods.
Method II in this standard specifies the gas chromatography - electron capture detector (GC-ECD) for determining the HCH, DDT, PCNB, heptachlor, heptachlor eqoxide, aldrin, dieldrin, fenson, ovex, tetramethrin, permethrin, cypermethrin, α-fenvalerate and deltamethrin in animal original foods.
Method I in this standard is applicable to the verification analysis of α-HCH, HCB, β-HCH, γ-HCH, PCNB, δ-HCH, PCA, heptachlor, PCPs, aldrin, oxy-chlordane, heptachlor eqoxide, trans-chlordane, α-endosulfan, cis-chlordane, p, p’-DDE, dieldrin, endrin, β-endosulfan, p, p’-DDD, o, p’-DDT, endrin aldehyde, endosulfan sulfate, p,p’-DDT, endrin ketone, mirex, fenson, allethrin, 2, 4-diehlorophenyl benzensulfonate, ovex, tetramethrin, fenpropathrin, permethrin, cypermethrin, fenvalerate and deltamethrin in meat, eggs, milk foods and grease (containing vegetable oil).
Method II in this standard is applicable to the pesticide residue analysis for 20 kinds of common organochlorine pesticide and pyrethroid such as α-HCH, β-HCH, γ-HCH, δ-HCH, PCNB, heptachlor, heptachlor eqoxide, aldrin, dieldrin, fenson, ovex, p, p’-DDE, p, p’-DDD, o, p’-DDT, p, p’-DDT, tetramethrin, permethrin, cypermethrin, α-fenvalerate and deltamethrin in meat, eggs and milk animal original foods.
Pesticide detection limit (μg/kg) in Method I of this standard is as follows: α-HCH 0.20, HCB 0.20, β-HCH 0.20, γ-HCH 0.20, PCNB 0.50, δ-HCH 0.20, PCA 0.50, heptachlor 0.50, PCPs 0.50, aldrin 0.50, oxy-chlordane 0.20, heptachlor eqoxide 0.50, trans-chlordane 0.50, α-endosulfan 0.50, cis-chlordane 0.20, p, p’-DDE 0.20, dieldrin 0.20, endrin 0.50, β-endosulfan 0.50, p, p’-DDD 0.20, p, p’-DDT 0.20, endrin aldehyde 0.50, endosulfan sulfate 0.50, p,p’-DDT 0.20, endrin ketone 0.50, mirex 0.20, fenson 0.50, allethrin 0.50, 2, 4-diehlorophenyl benzensulfonate 0.50, ovex 0.50, tetramethrin 1.00, fenpropathrin 1.00, permethrin 1.00, cypermethrin 2.00, fenvalerate 2.00 and deltamethrin 2.00.
Pesticide detection limit (μg/kg) in Method II of this standard is as follows: α-HCH 0.25, β-HCH 0.50, γ-HCH 0.25, δ-HCH 0.25, PCNB 0.25, heptachlor 0.50, heptachlor eqoxide 0.50, aldrin 0.25, dieldrin 0.50, fenson 1.5, ovex 1.25, p, p’-DDT 0.50, o, p’-DDT 0.50, p, p’-DDE 0.60, p, p’-DDD 0.75, tetramethrin 12.50, permethrin 7.50, cypermethrin 2.00, α-fenvalerate 2.50 and deltamethrin 2.50.
Foreword I
1. Scope
Method I Gas Chromatography-Mass Spectrography
2. Principle
3. Reagent
4. Instrument
5. Analysis Procedure
6. Result Calculation
7. Precision
Method II Gas Chromatography - Electron Capture Detector Method (GC-ECD)
8. Principle
9. Reagent
10. Instrument
11. Analysis Procedure
12. Result Calculation
13. Precision
Appendix A (Informative) Time Window and Quantitative Ion for Each Target Compound in Method I (GC-MS)
Appendix B (Informative) Chromatogram
Appendix C (Informative) Method Uncertainty