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Type: Artigo de periódico
Title: Enthalpies of reaction of lanthanide trifluoroacetate trihydrate with 2-azacyclononanone to form lanthanide trifluoroacetate-tris 2-azacyclononanone
Author: Melo, DMA
Pimentel, PM
de Oliveira, OA
Airoldi, C
Dustan, PO
de Farias, RF
Abstract: The condensed phase, acid-base reaction enthalpy for Ln(tfa)center dot 3H(2)O (s) + 3aza (s) -> Ln(tfa)(3)center dot 3aza (s) + 3H(2)O; Delta H-r(m)theta (kJ mol(-1)) = - 33.90 +/- 1.54, - 2.10 +/- 1.25, -9.40 +/- 2.10, 0.05 +/- 2.27 and 2.46 +/- 1.45 for the Pr, Nd, Sm, Eu and Tb compounds, respectively, where tfa, the trifluoroacetate, and aza, the 2-azacyclononanone, were measured by calorimetry. (c) 2007 Elsevier B.V. All rights reserved.
Subject: cycloazanonanone
Country: Holanda
Editor: Elsevier Science Bv
Citation: Thermochimica Acta. Elsevier Science Bv, v. 454, n. 2, n. 147, n. 148, 2007.
Rights: fechado
Identifier DOI: 10.1016/j.tca.2006.12.017
Date Issue: 2007
Appears in Collections:Unicamp - Artigos e Outros Documentos

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