Carbofuran detection

This section specifies the scope of vegetables and fruits, including dichlorvos, phorate, dimethoate, parathion, parathion, methyl parathion, fenitrothion, isocarbophos, ethion, quinethion, phoxim, trichlorfon, omethoate, phosphoramide, methylhexyphos, malathion, phoxim, imiphos, methamidophos, diazinon, methyl cicadas, cicadas, parathions, chlorpyrifos, acetamidophos, amifos, amifos, and monocrotophos A gas chromatographic method for the detection of multiple residues of 54 organic phosphorus pesticides, including Baizhi Phosphorus, Benthion, Dichongshan Phosphorus, Fenfen Phosphorus, Triazophos, Thiocyfos, Methyl Thiocyfos, Yimian Phosphorus, Baomian Phosphorus, Fly Poison Phosphorus, Dixin Phosphorus, Disinfectant Phosphorus, Ethylbromophos, Propanophos, Dibromophos, Pyrimiphos, Terbuthion, Salimidophos, Fenfenphos, and Chlorphos. This section is applicable to the detection of 54 pesticide residues in vegetables and fruits. The detection limit of this method is: 0.01 mg/kg~0 3 rng/kg (see Appendix A)

2 Normative References: The clauses in the following documents become the clauses of this standard through reference in this standard. For dated reference documents, all subsequent amendments (excluding corrected content) or revisions are not applicable to this standard. However, parties to agreements based on this standard are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest version of this standard applies. GB/T 6379.2 Measurement Methods and Accuracy of Results (Accuracy and Precision) Part?: Basic Methods for Determining the Repeatability and Reproducibility of Standard Measurement Methods (GB/T 6379.2-2004, ISO 5725-2:1994, IDT) GB/T 6682 Specification and Test Methods for Analytical Laboratory Water (GB/T 6682-1992, neq ISO 36961987) GB/T 8855 Sampling Methods for Fresh Fruits and Vegetables (GB/T 8855-1988, eqv ISO 874; 1980) 3 Principles: Extraction of Organophosphorus Pesticides from Samples by Acetonitrile, The extracted solution is filtered, concentrated, and then diluted with acetone. It is simultaneously injected into two injection ports of the gas chromatograph using a dual automatic sampler. The pesticide components are separated by two capillary columns with different polarities, and detected by a flame photometric detector (FPD phosphorus filter). Qualitative analysis using double column retention time and quantitative analysis using external standard method

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