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Title: Intercalation of biologically important iminodiacetatochromium(III) ion in the interlayer of ZnAl-layered double hydroxide
Authors: Sahu, R
Mohanta, B S
Das, N N
Keywords: Intercalation;Layered double hydroxides;Layered double hydroxide hybrids;Chromium;Iminodiacetate
Issue Date: Jun-2012
Publisher: NISCAIR-CSIR, India
Abstract: The intercalation of bis-iminodiacetatochromium(III) ion, [Cr(ida)2]-, in the interlayer of ZnAl-layered double hydroxide (LDH) through rehydration of ZnAl(O) mixed oxide and its characterization by XRD, TG-DTA, FT-IR and UV-vis-DRS is described. X-ray diffraction studies reveal the increase of basal spacing in the ZnAl-LDH–Cr(ida) hybrid from 7.69 Å to 12.55 Å due to intercalation of [Cr(ida)2]-, which is also evident from FT-IR and UV-vis-DR spectra. Thermogravimetric analyses show a marginal increase in the decomposition temperature for the [Cr(ida)2]- moiety with exothermic peaks in the LDH–Cr(ida) hybrid, indicating enhanced thermal stability of the [Cr(ida)2]- ion in the LDH interlayer. This method may be useful for intercalation of other anionic Cr(III) complexes of biological importance.
Page(s): 812-815
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.51A(06) [June 2012]

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