[8] Reddy B.R., Priya D.N., Chloride Leaching and Solvent Extraction of Cadmium, Cobalt and Nickel from Spent Nickel-Cadmium, Batteries Using Cyanex 923 and 272, J. Power Sources, 161, p. 1428 (2006).
[9] Rudnik E., Nikiel M., Hydrometallurgical Recovery of Cadmium and Nickel from Spent Ni-Cd Batteries, Hydrometallurgy, 89, p. 61 (2007).
[10] Reddy B.R., Rao S.V., Priya D.N., Selective Separation and Recovery of Divalent Cd and Ni from Sulphate Solutions with Mixtures of TOPS 99 and Cyanex 471 X, Sep. Purif. Technol., 59, p. 214 (2008).
[11] Yaftian M.R., Zamani A.A., Parinejad M., Shams E., Ion-Pair Extraction of Cadmium Complex Anions from Hydrochloric Acid Media Using Oxonium Ion-Dicyclohexyl-18-Crown-6 Complex, Sep. Purif. Technol. 42, p. 175 (2005).
[12] Yaftian M.R., Zamani A.A., Parinejad M., Facilitated Transport of Cadmium Ions from Hydrochloric Acid Solutions Through a Liquid Membrane Containing Dicyclohexyl-18-Crown-6 as Extractant-Carrier, Sep. Sci. Technol., 40, p. 2709 (2005).
[13] Zamani A.A., Yaftian M.R., Dallali N., Improved Extraction-Separation of Lanthanum/Europium Ions by Bis(2-Ethylhexyl)Phosphoric Acid Using 12-Crown-4 as an Ion Selective Masking Agent, Iran. J. Chem. Chem. Eng. 25, p. 15 (2006).
[14] Yaftian M.R., Zamani A.A., Rostamnia S., Thorium (IV) Ion-Selective Transport Through a Bulk Liquid Membrane Containing 2-Thenoyltrifluoroacetone as Extractant-Carrier, Sep. Purif. Technol., 49, p. 71 (2006).
[15] Yaftian M.R., Razipour M.R., Matt D., Thorium(IV) and Europium(III) Ions Extraction by Phosphorylated Calix[4]arene in Dichloromethane, J. Radioanal. Nucl. Chem., 270, p. 357 (2006).
[16] Parinejad M., Yaftian M.R., A Study on the Removal of Chromium(VI) Oxanions from Acid Solutions by Using Oxonium Ion-Crown Ether Complexes as Mobile Carrier Agents, Iran. J. Chem. Chem. Eng., 26, p. 19 (2007).