Full papers of hyperlinked titles can be downloaded via ScienceDirect.

Jan�bia C.B.S. Amaral, Carlos A. Morais, Equilibrium of zirconium and hafnium in the process of extraction with TBP in nitric medium � Influence in the Zr/Hf separation, Minerals Engineering, Vol. 146, 2020

K. Meerholz, D.J. van der Westhuizen, H.M. Krieg, Automation of membrane based solvent extraction unit for Zr and Hf separation, Separation and Purification Technology, Vol. 179, 2017

G. Pandey, S. Mukhopadhyay, A.U. Renjith, J.M. Joshi, K.T. Shenoy, Recovery of Hf and Zr from slurry waste of zirconium purification plant using solvent extraction, Hydrometallurgy, Vol. 163, 2016

Ling Yun Wang, Man Seung Lee, Development of a separation process for the selective extraction of hafnium(IV) over zirconium(IV) from sulfuric acid solutions by using D2EHPA, Hydrometallurgy, Vol. 160, 2016

M. Seung Lee, R. Banda, S. Hwan Min, Separation of Hf(IV)�Zr(IV) in H₂SO₄ solutions using solvent extraction with D2EHPA or Cyanex 272 at different reagent and metal ion concentrations, Hydrometallurgy, Vol. 152, 2015

L.Y. Wang, M.S. Lee, Separation of Zr and Hf from sulfuric acid solutions with amine-based extractants by solvent extraction, Separation and Purification Technology, Vol. 142, 2015

Ling Yun Wang, Man Seung Lee, Separation of zirconium and hafnium from nitric acid solutions with LIX 63, PC 88A and their mixture by solvent extraction, Hydrometallurgy, Vol. 150, 2014

M. Aliakbari, K. Saberyan, M. Noaparast, H. Abdollahi, A. Akcil, Separation of hafnium and zirconium using TBP modified ferromagnetic nanoparticles: Effects of acid and metals concentrations, Hydrometallurgy, Vol. 146, 2014

M. Taghizadeh, R. Ghasemzadeh, S.N. Ashrafizadeh, M. Ghannadi, Stoichiometric relation for extraction of zirconium and hafnium from acidic nitrate solutions with Cyanex272, Hydrometallurgy, Vol. 96, No. 1-2, 2009

M. Smolik, A. Jakobik-Kolon, M. Poranski, Separation of zirconium and hafnium using Diphonix(R) chelating ion-exchange resin, Hydrometallurgy, Vol. 95, No. 3-4, 2009

M. Taghizadeh, R. Ghasemzadeh, S.N Ashrafizadeh, K. Saberyan and M. Ghanadi Maragheh, Determination of optimum process conditions for the extraction and separation of zirconium and hafnium by solvent extraction, Hydrometallurgy, Vol. 90, No.2-4, 2008

B.R. Reddy, J.R. Kumar, Studies on liquid-liquid extraction of tetravalent hafnium from weakly hydrochloric acid solutions by LIX 84-IC., Separation and Purification Technology, Vol.42 No.2, 2005

B. Ramachandra Reddy, J. Rajesh Kumar, K. Phani Raja, A. Varada Reddy, Solvent extraction of Hf(IV) from acidic chloride solutions using Cyanex 302. Minerals Engineering, Vol.17 No.7-8, 2004

B.R. Reddy, J.R. Kumar, A.V. Reddy, Solvent extraction of tetravalent hafnium from acidic chloride solutions using 2-ethyl hexyl phosphonic acid mono-2-ethyl hexyl ester (PC-88A). Minerals Engineering, Vol.17 No.4, 2004

H.Y. Lee, S.G. Kim, J.K. Oh, Stoichiometric relation for extraction of zirconium and hafnium from acidic chloride solutions with Versatic Acid 10. Hydrometallurgy, Vol.73 No.1-2, 2004

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