The polystyrene-methacrolein thiosemicarbazone solid phase extraction filler was prepared using styrene,methylacrolein and amino thiourea as raw materials through polymerization and grafting.The structure and elements were analyzed by infrared spectroscopy,scanning electron microscopy,X-ray photoelectron spectroscopy and organic elemental analyzer.The chelating resin solid phase extraction column was prepared by polystyrene-methacrolein thiosemicarbazone solid phase extraction filler.The adsorption properti...