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- W2375030759 abstract "A novel aminated chitosan was prepared with(NH4)2Fe(SO4)2·6H2O,NH4Fe(SO4)2·12H2O and chitosan base intermediate,through hydroxylpropyl and amination.The optimal conditions were studied by orthogonal experiments are as follows:stirring speed is 1 200 r/min,the dosage of chitosan,epoxy chloropropane,ethylenediamine are 3.0 g,2.5 mL,2.5 mL respectively.The structure and morphology of magnetic microspheres were characterized by means of IR,TG,XRD and SEM.The results show that Fe3O4 particles were embedded by aminated chitosan.The magnetic microspheres' amine-group contents were 2.302 mmol/g and they were paramagnetic and acid-resistant spheres with 209 nm." @default.
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- W2375030759 title "Preparation and characterization of modified magnetic chitosan microspheres" @default.
- W2375030759 hasPublicationYear "2007" @default.
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