Specialized SPE
tea pesticide residue(TPT ), benzo pyrene, plasticizer, bisphenol A, Sudan red, plant growth agent, oligosaccharides in honey, VD, TCMP, PWR, benzo pyrene molecularly imprinted column, special column for pesticide residue detection in oil samples, special column for pesticide and animal residue detection in dairy products, C18 pre-treatment special column, AFT special column, special column for pesticide residue detection of pyrethroids in traditional Chinese medicine, special column for animal residue detection, special column for glyphosate, special column for polycyclic aromatic hydrocarbons, special column for mixed ion silica gel, and alkaline silica gel column