REFERENCES
- Ojo , J.O. ; Ipinmoroti , K.O. ; Adeeyinwo , C.E. ( 2007 ) Kinetics and mechanism of vanadium (V) extraction from hydrochloric acid solutions with tri-n-butyl phosphate . J.Chem. Soc. Nigeria , 32 ( 2 ): 166 .
- Ojo , J.O. ; Ipinmoroti , K.O. ; Adeeyinwo , C.E. ( 2008 ) Solvent extraction of molybdenum (VI) from diluted and concentrated hydrochloric acid solutions with tri-n- butyl phosphate . Global Jounrnal of Pure and Applied Sciences , 14 : 289 .
- Ojo , J.O. ; Adeeyinwo , C.E. ( 2011 ) Dependence of vanadium recovery on oxidation state in its solvent extraction from hydrochloric acid solutions with tri-n- butyl phosphate . Ife Journal of Science , 13 : 175 .
- Zhang , P. ; Inoue , K. ; Tsuyama , H. (1996) Extraction and selective stripping of molybdenum (VI) and vanadium (IV) from sulphuric acid solutions containing aluminium (III), cobalt (III), nickel (II) and iron (III) by LIX 63 in EXXSOL D80. Hydrometallurgy , 41: 45.
- Zhang , P. ; Inoue , K. ; Yoshizuka , K. ; Tsuyama , H. ( 1997 ) A new solvent extraction process for recovery of rare metals from spent hydrodesulphurization catalyst . Kagaku Kogaku ronbunshu , 13 : 1 .
- Basualto , C. ; Marchese , J. ; Valenzuela , F. ; Acosta , A. ( 2003 ) Extraction of molybdenum by a supported liquid membrane method . Talanta , 59 : 999 .
- Lee , J.D. ( 1996 ) Concise Inorganic Chemistry, , 5th Ed. ; Blackwell Science Limited : Oxford , U.K.
- Ojo , J.O. ( 2010 ) Solvent extraction of vanadium (V) from nitric acid solutions with di(2-ethylhexyl)phosphoric acid and tri-n-butyl phosphate . Malaysian Journal of Chemistry , 12 : 40 .
- Kurbatova , L.D. ; Kurbatov , D.I. ( 2006 ) Extraction recovery of vanadium (V) from sulphuric acid solutions with di(2-ethylhexyl)phosphoric acid . Russ. J. Appl. Chem , 79 : 850 .
- Lozano , L.J. ; Godinez , C. ( 2003 ) Comparative study of solvent extraction of vanadium from sulphate solutions by Primena 81R and alamine 336 . Minerals Engineering , 16 : 291 .
- Kurma , A. ; Mohapatra , P.K. ; Pathak , P.N. ; Machanda , V.K. ( 2001 ) Extraction of Mo (VI) from nitric acid medium by di(octyl-phenyl) phosphoric acid . Solvent Extra. Ion Exch. , 19 : 491 .
- Chen , Y. ; Feng , Q. ; Shao , Y. ; Zhang , G. ; Ou , L. ; Lu , Y. ( 2006 ) Investigations on the extraction of molybdenum and vanadium from ammonia leaching residue of spent catalyst . Int. J. Min. Proc. , 79 ( 1 ): 42 .
- Bal , Y. ; Bal , K.E. ; Cote , G. ; Lallam , A. ( 2004 ) Charaterization of third phases that precipitate from the organic solutions of Aliquat 336 after extraction of molybdenum (VI) and vanadium (V) . Hydrometallurgy , 75 ( 1–4 ): 123 .
- Hirai , T. ; Hashimoto , T. ; Tsuboi , I. ; Hino , A. ; Kosamawa , I. ( 1995 ). Extraction and separation of molybdenum and vanadium using bis (2-ethylhexyl) monothio phosphoric acid and bis (2-ethylhexyl) phosphoric acid . J. Chem. Eng. Japan , 28 : 85 .
- Hirai , T. ; Onoe , N. ; Komasawa , I. ( 1993 ) Photoreductive stripping of vanadium in solvent extraction process for separation of vanadium and molybdenum . J. Chem. Eng. Japan , 26 ( 4 ): 416 .
- Vogel , A.I. ( 1978 ) Vogel's Textbook of Quantitative Inorganic Analysis, , 4th Ed. ; Longman Group Limited : Essex , U.K.
- Kalagbor , A.I. ; Uzoukwu , B.A. ; Chukwu , U.I. ( 2011 ) Extraction of molybdenum (VI) with 4-adipoyl and 4-sebacoyl derivatives of bis (1–phenyl- 3methylpyrazolone-5) in acid media . Nature and Science , 9 : 37 .
- Brassier – Lecarme , C. ; Baron , P. ; Chevalier , J.C. ; Madic , C. ( 1997 ) Acidic organophosphorus extraction process for the purification of molybdenum in tailings from uranium ore treatment . Hydrometallurgy , 47 : 57 .
- Lambert , J.B. ; Sharvell , H.F. ; Lightner , D.A. ; Cooks , R.G. ( 1987 ) Introduction to Organic Spetroscopy ; Macmillan Publishing Company : New York .