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An anion-imprinted material with high performance for recognizing chromate anion was prepared by adopting the novel molecule surface-imprinting technique put forward by our research group previously. Functional macromolecule polyvinylimidazole (PVI) was first grafted on the surfaces of micron-sized silica gel particles, forming the grafted particle PVI/SiO 2 . Afterwards, the ion imprinting...
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