M S Sajun
Articles written in Journal of Chemical Sciences
Volume 90 Issue 4 August 1981 pp 323-332 Inorganic and Analytical
The formation of adducts between Np(TTA)4 and neutral donors TOPO, TPPO, DBBP, DOSO and TBP in benzene medium has been studied by spectrophotometry and the presence of 1∶1 adducts is shown. From the spectral changes observed, the adduct formation constants were evaluated and found to be 1·85×104 (TPPO), 4·72×103 (DBBP) and 2·12×103 (DOSO). The spectra indicated that adduct formation increases the coordination number of Np(IV) from 8 in Np(TTA)4 to 9 in the adducts formed. Data obtained using the solvent extraction method to evaluate the adduct formation constant of Np(TTA)4 with TPPO are also included.
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