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- W2358945680 abstract "The objective of this work was to study the adsorption performances for berberine onto the PNaA resin.The macroporous D-151 resin(polyacrylic acid resin) was changed into the macroporous PNaA resin(polysodiumacrylate resin) by leaching with NaOH.The water retention capacity and the weak base exchange capacitye of the PNaA resin were measured.The adsorption quality of berberine onto the PNaA resin,X-5 resin,H103 resin,AB-8 resin and XAD-4 resin was compared.The adsorption isotherms of berberine at different temperatures were studied.Isothermal adsorption enthalpy,Gibbs free energy and entropy were calculated according to thermodynamic equations.The adsorption kinetic of berberine onto the PNaA resin was measured.The static elution ratio of berberine onto the PNaA resin with different elution solvent was measured.The results showed that the adsorption quality of berberine onto the PNaA resin was superior to X-5 resin,H103 resin,AB-8 resin and XAD-4 resin.Heat was discharged during the adsorption and the adsorption occurred automatically.The adsorption kinetic date of berberine fitted to the first order rate equation.The intrapartical diffusion of berberine was the main rate-controlling step.The adsorption kinetic date could be described by HSDM model.The best static elution ratio of berberine onto the PNaA resin with 80% ethanol and 0.1% NaCl was up to 93.43%..The results of adsorption for berberine indicate that the PNaA resin may have a promising prospect in separating quanternary ammonium alkaloids from natural medicines in industry." @default.
- W2358945680 created "2016-06-24" @default.
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- W2358945680 date "2010-01-01" @default.
- W2358945680 modified "2023-09-27" @default.
- W2358945680 title "Study on the adsorption performances for berberine onto the macroporous PNaA resin" @default.
- W2358945680 hasPublicationYear "2010" @default.
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