Open AccessSynthesis of zirconia colloidal dispersions by forced hydrolysis
Author(s) -
Jelena Marković,
S.K. Milonjić
Publication year - 2006
Publication title -
journal of the serbian chemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.227
H-Index - 45
eISSN - 1820-7421
pISSN - 0352-5139
DOI - 10.2298/jsc0606613m
Subject(s) - cubic zirconia , hydrolysis , monoclinic crystal system , colloid , potentiometric titration , materials science , chemistry , inorganic chemistry , chemical engineering , nuclear chemistry , crystal structure , ion , organic chemistry , ceramic , engineering
Different zirconia colloidal dispersions (sols) were prepared from zirconyl oxynitrate and zirconyl oxychloride solutions by forced hydrolysis. Vigorously stirred acidic solutions of these salts were refluxed at 102 oC for 24 h. Characteriza- tion of the obtained sols (pH, solid phase content, crystal structure) was performed by potentiometric, XRD, TGA/DTA and SEM measurements. The prepared sols contained almost spherical monoclinic hydrated zirconia particles 7-10 nm in diam- eter.
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