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Adsorption Behavior of 110~* Resin for Lutetium (III)

Peng Gao

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Abstract

The static saturated adsorption capacity of 110* resin for Lu(Ⅲ) is 319 mg/g in the HAc-NaAc solution medium at 5.70 of pH.Lu(Ⅲ) adsorbed on 110* resin can be eluted quantitatively by 0.3~0.5 mol/L HCl solution.The adsorption rate constant(k298) is 3.00×10-5 s-1.The adsorption behavior of 110* resin for Lu(Ⅲ) obeys the Freundlich isotherm.The thermodynamic parameter ΔH of adsorption is 16.64 kJ/mol.The apparent adsorption activation energy is 9.57 kJ/mol and the chemic adsorption mechanism is confirmed by IR spectrometry.

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What this paper is about

The static saturated adsorption capacity of 110* resin for Lu(Ⅲ) is 319 mg/g in the HAc-NaAc solution medium at 5.70 of pH.Lu(Ⅲ) adsorbed on 110* resin can be eluted quantitatively by 0.3~0.5 mol/L HCl solution.The adsorption rate constant(k298) is 3.00×10-5 s-1.The adsorption behavior of 110* resin for Lu(Ⅲ) obeys the Freundlich isotherm.The thermodynamic parameter ΔH of adsorption is 16.64 kJ/mol.The apparent adsorption activation energy is 9.57 kJ/mol and the chemic adsorption mechanism is confirmed by IR spectrometry.

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Available abstract

The static saturated adsorption capacity of 110* resin for Lu(Ⅲ) is 319 mg/g in the HAc-NaAc solution medium at 5.70 of pH.Lu(Ⅲ) adsorbed on 110* resin can be eluted quantitatively by 0.3~0.5 mol/L HCl solution.The adsorption rate constant(k298) is 3.00×10-5 s-1.The adsorption behavior of 110* resin for Lu(Ⅲ) obeys the Freundlich isotherm.The thermodynamic parameter ΔH of adsorption is 16.64 kJ/mol.The apparent adsorption activation energy is 9.57 kJ/mol and the chemic adsorption mechanism is confirmed by IR spectrometry.

Key concepts: Adsorption, Lutetium, Chemistry, Freundlich equation, Activation energy, Elution, Nuclear chemistry, Chromatography

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