Synthesis of metal oxide particles from aqueous media: The homogeneous alkalinization method

An analysis of the urea method as a way to synthesize uniform colloidal particles is presented. Various selected cases of precipitation and coprecipitation are reviewed to illustrate the inherent complexities of the method. The importance of the kinetics of urea hydrolysis is recognized. The concept...

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Autores principales:	Soler Illia, Galo Juan de Avila Arturo, Jobbagy, Matias, Candal, Roberto Jorge
Publicado:	1998
Materias:	Hydrolysis Oxides Particle size analysis Phase equilibria Precipitation (chemical) Reaction kinetics Solutions Urea Particle morphology Uniform particles Colloids
Acceso en línea:	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01932691_v19_n2-7_p207_SolerIllia http://hdl.handle.net/20.500.12110/paper_01932691_v19_n2-7_p207_SolerIllia
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

id	paper:paper_01932691_v19_n2-7_p207_SolerIllia
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spelling	paper:paper_01932691_v19_n2-7_p207_SolerIllia2023-06-08T15:20:05Z Synthesis of metal oxide particles from aqueous media: The homogeneous alkalinization method Soler Illia, Galo Juan de Avila Arturo Jobbagy, Matias Candal, Roberto Jorge Hydrolysis Oxides Particle size analysis Phase equilibria Precipitation (chemical) Reaction kinetics Solutions Urea Particle morphology Uniform particles Colloids An analysis of the urea method as a way to synthesize uniform colloidal particles is presented. Various selected cases of precipitation and coprecipitation are reviewed to illustrate the inherent complexities of the method. The importance of the kinetics of urea hydrolysis is recognized. The concept of trajectory is used to rationalized the evolution of the systems upon aging. The influence of thermodynamic and kinetic factors in the definition of the nature of the precipitating solid phases is analyzed; the overriding role of the latter is stressed. The factors that influence particle morphology are also addressed. Fil:Soler-Illia, G.J.D.A.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Jobbágy, M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Candal, R.J. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 1998 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01932691_v19_n2-7_p207_SolerIllia http://hdl.handle.net/20.500.12110/paper_01932691_v19_n2-7_p207_SolerIllia
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic	Hydrolysis Oxides Particle size analysis Phase equilibria Precipitation (chemical) Reaction kinetics Solutions Urea Particle morphology Uniform particles Colloids
spellingShingle	Hydrolysis Oxides Particle size analysis Phase equilibria Precipitation (chemical) Reaction kinetics Solutions Urea Particle morphology Uniform particles Colloids Soler Illia, Galo Juan de Avila Arturo Jobbagy, Matias Candal, Roberto Jorge Synthesis of metal oxide particles from aqueous media: The homogeneous alkalinization method
topic_facet	Hydrolysis Oxides Particle size analysis Phase equilibria Precipitation (chemical) Reaction kinetics Solutions Urea Particle morphology Uniform particles Colloids
description	An analysis of the urea method as a way to synthesize uniform colloidal particles is presented. Various selected cases of precipitation and coprecipitation are reviewed to illustrate the inherent complexities of the method. The importance of the kinetics of urea hydrolysis is recognized. The concept of trajectory is used to rationalized the evolution of the systems upon aging. The influence of thermodynamic and kinetic factors in the definition of the nature of the precipitating solid phases is analyzed; the overriding role of the latter is stressed. The factors that influence particle morphology are also addressed.
author	Soler Illia, Galo Juan de Avila Arturo Jobbagy, Matias Candal, Roberto Jorge
author_facet	Soler Illia, Galo Juan de Avila Arturo Jobbagy, Matias Candal, Roberto Jorge
author_sort	Soler Illia, Galo Juan de Avila Arturo
title	Synthesis of metal oxide particles from aqueous media: The homogeneous alkalinization method
title_short	Synthesis of metal oxide particles from aqueous media: The homogeneous alkalinization method
title_full	Synthesis of metal oxide particles from aqueous media: The homogeneous alkalinization method
title_fullStr	Synthesis of metal oxide particles from aqueous media: The homogeneous alkalinization method
title_full_unstemmed	Synthesis of metal oxide particles from aqueous media: The homogeneous alkalinization method
title_sort	synthesis of metal oxide particles from aqueous media: the homogeneous alkalinization method
publishDate	1998
url	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01932691_v19_n2-7_p207_SolerIllia http://hdl.handle.net/20.500.12110/paper_01932691_v19_n2-7_p207_SolerIllia
work_keys_str_mv	AT solerilliagalojuandeavilaarturo synthesisofmetaloxideparticlesfromaqueousmediathehomogeneousalkalinizationmethod AT jobbagymatias synthesisofmetaloxideparticlesfromaqueousmediathehomogeneousalkalinizationmethod AT candalrobertojorge synthesisofmetaloxideparticlesfromaqueousmediathehomogeneousalkalinizationmethod
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Synthesis of metal oxide particles from aqueous media: The homogeneous alkalinization method

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