A molecularly imprinted polymer with flash column chromatography for the selective and continuous extraction of diphenyl amine
作者： Pankaj E. Hande , Asit B. Samui , Prashant S. Kulkarni
DOI: 10.1039/C5RA11965K
关键词:
摘要: The aim of this study was to prepare MIP for the selective recognition DPA and its combination with flash column chromatography continuous extraction from ammunition waste. DPA–MIP prepared by free radical polymerization using methacrylic acid as a complexing monomer EGDMA crosslinker. Methanol acetic (9 : 1) were used leaching agent DPA. showed maximum adsorption capacity at pH 4. experimental obtained NIP particles 31 mg g−1 10.2 g−1, respectively. Langmuir Freundlich isotherm models analyze data on MIP. model fit very well this. Pseudo first order pseudo second kinetic estimate corresponding rate parameters, equilibrium capacities correlation coefficients. selectivity coefficients in presence NDPA, TNT tetryl 23.14, 47.07 52.30, Continuous done help combined more than 98% recovery. has good regeneration performance could maintain almost same even after three adsorption–desorption cycles.
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