Resumen:
he influence of the morphology of ethylene glycol dimethacrylate-hydroxyethyl methacrylate
copolymer [poly(EGDMA-co-HEMA)] base support to obtain different Fe3+-containing sorbents and
their properties in retention of O-phosphothreonine [Thre(P)] is examined in this paper. Three base
supports poly(EGDMA-co-HEMA) (I?III) were obtained using different quantities of initiator in
suspension polymerization reactions. These products were submitted to chemical modifications
using 1,4-butanediol diglycidyl ether (BDGE) in activation reactions and different chelating agents
(iminodiacetic acid, IDA; disodium ethylenediamine tetraacetate, EDTA; and hexamethylenediamine
tetrapropanoic acid, HMDTP) in coupling reactions to attain Fe3+-containing sorbents. Properties
such as specific surface area (Ss), specific pore volume (Vp), scanning electron microscopy (SEM),
IR spectroscopy, quantity of functional groups (oxirane and carboxyl), amount of chelated metal ion,
ligand occupation (L), s