Polaroid detection

Determination of Multiple Residues of Organophosphorus and Carbamate Pesticides in Plant Based Foods 1 Scope: This standard specifies dichlorvos, acephate, methyl phosphorus, phorate, monocrotophos, dimethoate, methyl parathion, malaoxophos, toxic cockroach, methyl midophos, bethion, malathion, parathion, chlorpyrifos, chlorpyrifos, ethion, chlorpyrifos, metocloprid, isoprocarb, and propafenuron in grains and vegetables Method for the determination of pesticide residues such as carbaryl. This standard is applicable to the residue analysis of crops such as grains and vegetables that have used organophosphorus and carbamate pesticides such as dichlorvos. The organic phosphorus and carbamate pesticides in the 2-principle sample are extracted with organic solvents, and then the interfering substances are removed through liquid-liquid distribution, micro column purification, and other steps. They are detected using a nitrogen phosphorus detector (FTD), and qualitatively determined based on the retention time of the chromatographic bee, while quantitatively determined using an external standard method

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