The effect of various cations and pH on the adsorption of U(VI) on Amberlite IR-118H resin.
The effects of various metal cations and pH on the adsorption of uranium(VI) on strongly acidic cation exchanger Amberlite IR-118H (AIR-118H) were studied. The metal cations suppress U(VI) adsorption differently depending on their ionic radii. Adsorption of U(VI) on AIR-118H peaks at pH 3.4, which was attributed to the occurrence of different forms of U(VI) at different pH values. The adsorption data were then processed using the Frumkin-Fowler-Guggenheim equation, and the standard free energy of adsorption was calculated.
Kilislioglu
Ayben
A
Department of Chemistry, Istanbul University, Avcilar, 34850 Istanbul, Turkey. ayben@istanbul.edu.tr
D000143:Acids / Q000737:chemistry*; D000327:Adsorption; D002412:Cations / Q000737:chemistry; D012117:Resins, Synthetic / Q000737:chemistry*; D013696:Temperature; D014501:Uranium / Q000737:chemistry*
D000143:Acids; D002412:Cations; D012117:Resins, Synthetic; C476803:amberlite IR-118H; D014501:Uranium