Sorption of hypoiodous acid on activated carbon
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In spite of good adsorption characteristics of activated carbon for molecular iodine, from water solution, problems arising due to complexity of chemistry of iodine and hydrolysis as well as influences of other relevant factors in water solutions which easily change the equilibrium concentrations toward domination of species with lower absorbability. Sorption of hypoiodus acid as predominant chemical form of iodine in neutral and weak alkaline solution within the range of micro concentrations has been studied in great details. In the experiments sorption of hypoiodous acid from water solutions on activated carbon with surface area of 1000 m(2)/g, under static and dynamic conditions, has been performed Isotherms on various temperatures (25 degrees C, 50 degrees C, 70 degrees C) hm been obtained. Parameters of the sorption are determined and mechanism of adsorption of hypoiodous acid molecules on activated carbon has been discussed.
Извор:Journal of Radioanalytical and Nuclear Chemistry, 1996, 208, 2, 453-460
- 6th International Conference on Separation of Ionic Solutes, May 15-19, 1995, Piest Any Spa, Slovakia
ISSN: 0236-5731 (print)