The extraction of zirconium and hafnium from hydrochloric acid media was studied using the crown ethers dibenzo-18-crown-6 (DB18C6), dicyclohexano-18-crown-6 (DC18C6) and dicyclohexano-24-crown-8 (DC24C8) as extractants...
Keywords: Zirconium, Hafnium, Crown ether, Liquid-liquid extraction, Distribution ratio
03/2006 | Radiochimica Acta, Oldenbourg WissenschaftsverlagA process of step-wise complexation of group-4 elements Zr, Hf, and Rf in H2SO4 solutions has been considered theoretically...
Keywords: Zirconium, Hafnium, Rutherfordium, Complex formation, Relativistic density functional theory
08/2006 | Radiochimica Acta, Oldenbourg Wissenschaftsverlag