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I. A. Martynova, S. V. Kardashev, N. P. Kuzmina

Features of interaction acetate and pivalate cerium (III) and europium (III) with monoethanolamine


The composition of mixed-ligand complexes of acetates, pivalates cerium (III) and europium (III) with monoethanolamine (MEA) depends on the synthesis conditions and the nature of carboxylate ligand. Were obtained solid complexes [Ln (Piv)3(MEA)x] (Ln = Ce, Eu; HPiv = 2,2-dimethylpropionic (pivalic) acid, x = 1, 1.5) and geles of hydroxocomplexes [Ln(Carb)nxy(NO3)x(OH)y(MEA)w(H2O)z] (Ln = Ce, n = 4; Ln = Eu, n = 3; HCarb = Acetic acid (HAcet) or HPiv). The values of the x, y, w, z coefficients depend on both synthesis and heat treatment conditions. Products were characterized by IR spectroscopy, NMR, elemental and thermal analysis, MALDI-MS. The method of ESI-MS was used to characterize the processes occurring in the solutions.
Moscow University Chemistry Bulletin.
2012, Vol. 53, No. 1, P. 24

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