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- Title
Radiometric analysis of isotherms and thermodynamic parameters for cadmium(II) adsorption from aqueous medium by calcium alginate beads.
- Authors
Sarkar, Kangkana; Sen, Kamalika; Lahiri, Susanta
- Abstract
Studies on the extraction behavior and immobilization of cadmium by greener reagents have important bearings in today's science. No-carrier-added (NCA), Cd radionuclide is a potential candidate towards radiopharmaceutical studies for both in vivo and in vitro applications and is also used in industrial and environmental studies. Herein, we have studied the adsorption and desorption characteristics of cadmium in both NCA and bulk concentrations into calcium alginate using radiochemical method. Various isotherms like Langmuir, Freundlich, Temkin and Dubinin-Radushkevich have been studied and compared to match the adsorption phenomenon. A spontaneous endothermic physisorption process is expected from thermodynamic parameters.
- Subjects
CADMIUM; CALCIUM alginate; ADSORPTION isotherms; DESORPTION; THERMODYNAMICS; RADIOPHARMACEUTICALS
- Publication
Journal of Radioanalytical & Nuclear Chemistry, 2017, Vol 312, Issue 2, p343
- ISSN
0236-5731
- Publication type
Article
- DOI
10.1007/s10967-017-5213-2