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Solution and solid-state studies of complexation of transition-metal cations and Al(III) by aroylhydrazones derived from nicotinic acid hydrazide (CROSBI ID 166507)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Galić, Nives ; Rubčić, Mirta ; Magdić, Katja ; Cindrić, Marina ; Tomišić, Vladislav Solution and solid-state studies of complexation of transition-metal cations and Al(III) by aroylhydrazones derived from nicotinic acid hydrazide // Inorganica chimica acta, 366 (2011), 1; 98-104. doi: 10.1016/j.ica.2010.10.017

Podaci o odgovornosti

Galić, Nives ; Rubčić, Mirta ; Magdić, Katja ; Cindrić, Marina ; Tomišić, Vladislav

engleski

Solution and solid-state studies of complexation of transition-metal cations and Al(III) by aroylhydrazones derived from nicotinic acid hydrazide

Reactions of first series transition-metal cations, Cd(II) and Al(III) with two aroylhydrazones derived from nicotinic acid hydrazide and salicylaldehide or o-vanillin were studied at 25 oC in buffered dioxane/water 1/1 mixture (pH = 5.8) by means of spectrophotometric and spectrofluorimetric titrations. The addition of Mn(II) or Cd(II) ions in hydrazone solutions had no effect on their absorption spectra whereas the addition of Ni(II) and Cr(III) immediately caused precipitation. The reaction of Zn(II) with salicylaldehide derivative was found to be photosensitive. Relatively high conditional stability constants of 1:1 complexes of Cu(II), Zn(II) and Al(III) with both ligands were determined. Solid complexes of Cu(II), Ni(II) and Zn(II) with aroylhydrazones studied were isolated and characterized by elemental and thermogravimetric analyses, magnetic susceptibility measurements (in the case of Cu(II) and Ni(II)) and IR spectrometry.

aroylhydrazones; complexes; transition-metal cations; aluminium(III); spectrophotometry; spectrofluorimetry

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Podaci o izdanju

366 (1)

2011.

98-104

objavljeno

0020-1693

10.1016/j.ica.2010.10.017

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Kemija

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