Sahoo, Amit, et al. “Liquid-Liquid Extraction of zirconium(IV) from Sulphuric Acid Medium Using a Binary Mixture of Tri-N-Octylamine and Cyanex923 in Kerosene”. European Journal of Chemistry, vol. 13, no. 3, Sept. 2022, pp. 273-8, doi:10.5155/eurjchem.13.3.273-278.2273.