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Items for "TBP"

Distribution studies on Th(IV), U(VI) and Pu(IV) using tri-n-butylphosphate and N,N-dialkyl amides

Distribution studies on U, Pu and Th have been carried out employing tri-n-butyl phosphate (TBP) as extractant to optimise the conditions for the reprocessing of spent fuel of proposed Th based Advanced Heavy Water Reactor (AHWR)...

Keywords: Uranium, Thorium, Plutonium, Amide, TBP

04/2006 | Radiochimica Acta, Oldenbourg Wissenschaftsverlag
Ion interaction (SIT) coefficients for the Th4+ ion and trace activity coefficients in NaClO4, NaNO3 and NaCl solution determined by solvent extraction with TBP

Trace activity coefficients of the Th4+ ion in dilute to concentrated NaClO4, NaNO3 and NaCl solutions ([H+]=0.01−0.02 M) have been determined at 22 °C from liquid-liquid phase equilibria with 10−50 vol.% TBP in n-dodecane...

Keywords: Thorium, TBP, Extraction, Activity coefficients, SIT

09/2006 | Radiochimica Acta, Oldenbourg Wissenschaftsverlag
Neptunium(V) disproportionation and cation–cation interactions in TBP/kerosene solvent

In 30% TBP/OK Np(V) is unstable and disproportionates to Np(IV) and Np(VI). Np(V) readily coordinates to Np(IV) in solution to form a “cation–cation” complex by bonding through an axial oxo group on Np(V)...

Keywords: Neptunium, Disproportionation, Kinetics, TBP, Near IR electronic absorption spectroscopy

12/2007 | Radiochimica Acta, Oldenbourg Wissenschaftsverlag