Copper-zinc-cobalt-aluminium-chromium hydroxycarbonates and mixed oxides
Journal Article
·
· Journal of Solid State Chemistry
- Universita La Sapienza, Rome (Italy)
Hydroxycarbonate precursors with different Cu/Zn/Co/Al/Cr atomic ratios were preared by coprecipitation of the metal nitrates with a stoichiometric amount of NaHCO{sub 3} under controlled conditions of temperature, stirring, and pH. Cu-Zn-Co-Al-Cr mixed oxides were obtained by decomposition of the precursors at different temperatures (623, 723, and 973 K in air). The characterization has been performed by X-ray powder diffraction (XRPD), diffuse reflectance spectroscopy in the UV-VIS-NIR region (DRS), thermal analysis (TGA/DTA), BET surface area determination, and measurements of magnetic susceptibility.
- OSTI ID:
- 269885
- Journal Information:
- Journal of Solid State Chemistry, Journal Name: Journal of Solid State Chemistry Journal Issue: 2 Vol. 122; ISSN 0022-4596; ISSN JSSCBI
- Country of Publication:
- United States
- Language:
- English
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