Synthesis of nickel hydroxide powders by urea decomposition

Synthesis of nickel hydroxide from aqueous solutions by decomposition of urea was investigated. Spherical agglomerates of nanocrystalline particles were obtained. Precipitated powders show turbostratic α-phase with significant carbonate intercalated into the structure. Addition of dispersant HPMC in...

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Veröffentlicht in:	Journal of the European Ceramic Society 1998, Vol.18 (11), p.1559-1564
Hauptverfasser:	Akinc, Mufit, Jongen, Nathalie, Lemaître, Jacques, Hofmann, Heinrich
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemistry Colloidal state and disperse state Elements and non-metal compounds (oxides, hydroxides, hydrides, sulfides, carbides, ...) Exact sciences and technology General and physical chemistry Inorganic chemistry and origins of life Powders Preparations and properties
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Zusammenfassung:	Synthesis of nickel hydroxide from aqueous solutions by decomposition of urea was investigated. Spherical agglomerates of nanocrystalline particles were obtained. Precipitated powders show turbostratic α-phase with significant carbonate intercalated into the structure. Addition of dispersant HPMC increases the specific surface area and reduces the median agglomerate size, whereas increase in aging time increases the precipitation yield considerably.
ISSN:	0955-2219 1873-619X
DOI:	10.1016/S0955-2219(98)00034-X