Extraction chromatography of quadrivalent titanium and zirconium from succinate solution
Liquid ion exchangers such as tri-n-octyl amine (TOA), tri-iso-octylamine (TIOA) and Aliquat 336 have been used in this laboratory for analytical separation of vanadium(V) and niobium(V), indium(III), thalium(III), thorium(IV), cerium(IV) from succinate solutions. Extension of this study has revealed that benzene solutions of TOA, TIOA and Aliquat 336 could be used for anion exchange extraction of quadrivalent titanium and zirconium from succinate solution. The metal ions from the organic phase are stripped and determined spectrophotometrically. Solvent extraction methods for titanium(IV) and zirconium(IV) have been reviewed by De et al. and Korkisch in their monographs. Diethylamine, tri-ethylamine and tributylamine have been used for extraction of titanium from thiocyanate and citrate solution. Similarly high molecular weight amines such as TOA and TIOA have been used for the extraction of zirconium from mineral acids, but systematic solvent extraction separation of titanium(IV) and zirconium(IV) is lacking. In this communication we propose a new method for selective extraction and separation of titaium(IV) and zirconium(IV) from metal ions such as Mn, Cr, Mo, V, U, La, Ta, Th and Hf. The proposed method is comparatively free from drawbacks such as pre-equilibration of phases, multiple scrubbing, multiple extraction and coextraction of a large number of cations and anions.
- Research Organization:
- Shivaji Univ., Kolhapur, India
- OSTI ID:
- 5582980
- Journal Information:
- Anal. Lett.; (United States), Vol. 15:A1
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
TITANIUM
SOLVENT EXTRACTION
ZIRCONIUM
AMINES
CHROMIUM
HAFNIUM
ION EXCHANGE
IRON
LANTHANUM
MANGANESE
MOLYBDENUM
PH VALUE
SODIUM COMPOUNDS
SPECTROPHOTOMETRY
SUCCINIC ACID
TANTALUM
THORIUM
TOA
TUNGSTEN
URANIUM
VANADIUM
YTTRIUM
ACTINIDES
ALKALI METAL COMPOUNDS
CARBOXYLIC ACIDS
CHELATING AGENTS
DICARBOXYLIC ACIDS
ELEMENTS
EXTRACTION
METALS
ORGANIC ACIDS
ORGANIC COMPOUNDS
RARE EARTHS
REFRACTORY METALS
SEPARATION PROCESSES
TRANSITION ELEMENTS
400102* - Chemical & Spectral Procedures