Reddy Koduru1, J. et al. 2014. Enhanced Extraction and Separation of Zr(IV) and Hf(IV) from Acidic Chloride Solutions Using 4-Sebacoylbis(1-phenyl-3-methyl-5-pyrazolone) in Presence of Crown Ethers. Asian Journal of Chemistry. 26, 20 (Sep. 2014), 6885–6890. DOI:https://doi.org/10.14233/ajchem.2014.17140.