The complexes formed in the divalent transition metal-sulphuric acid-di-(2-ethylhexyl)-phosphoric acid extraction systems-cobalt(II), nickel(II) and copper(II) complexes
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Magnetophoretic mole-ratio method in solvent extraction systems
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2014, HydrometallurgySolvent mediated interactions for the selective recovery of Cadmium from Ni-Cd battery waste
2012, Journal of Molecular LiquidsCitation Excerpt :These bands were found to be more intense than the bands corresponding to the 2-ethylhexyl moieties (3000–2850, 1460, and 1380 cm− 1). The band at 1610 cm− 1 corresponds to the O–H bending vibration [31]. On interaction of the extracting solvent with any compound, the phosphoryl bond is highly affected.
Molecular modeling study of the aggregation behavior of nickel(II), cobalt(II), lead(II) and zinc(II) bis(2-ethylhexyl) phosphate complexes
2006, Journal of Colloid and Interface ScienceCitation Excerpt :While the geometry optimization and MD structures of the Ni(DEHP)2⋅H2O complex in n-heptane clearly show that nickel(II) exists in octahedral symmetry. Those structures are in accord with experimental results obtained by Sato et al. [22,23] which were also confirmed later on by Danesi et al. [25]. The molecular simulation of 2–7 Co(DEHP)2 complexes (part c of Fig. 1) indicate that the Co(DEHP)2 complexes exist as aggregates (reversed micelles) via van der Waals and electrostatic forces which are similar to the type of bonds reported for the Ni(DEHP)2 aggregate [20] with the exception that the Ni(DEHP)2 complexes showed also inter-hydrogen bonds between the Ni(DEHP)2 complexes.