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Radiometric analysis of isotherms and thermodynamic parameters for cadmium(II) adsorption from aqueous medium by calcium alginate beads
K SARKAR, S LAHIRI,
Published in Springer Netherlands
2017
Volume: 312
   
Issue: 2
Pages: 343 - 354
Abstract
Studies on the extraction behavior and immobilization of cadmium by greener reagents have important bearings in today’s science. No-carrier-added (NCA), 109Cd 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. © 2017, Akadémiai Kiadó, Budapest, Hungary.
About the journal
JournalData powered by TypesetJournal of Radioanalytical and Nuclear Chemistry
PublisherData powered by TypesetSpringer Netherlands
ISSN0236-5731