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Preparation of White Pigments from Nanosized Alkaline Earth Metal Titanates and Potassium Titanium Oxophosphate
Author(s) -
Biswas Soumya Kanti,
Ghorai Tanmay Kumar,
Pramanik Panchanan
Publication year - 2009
Publication title -
international journal of applied ceramic technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.4
H-Index - 57
eISSN - 1744-7402
pISSN - 1546-542X
DOI - 10.1111/j.1744-7402.2009.02376.x
Subject(s) - materials science , ilmenite , titanium , coprecipitation , metal , potassium , nuclear chemistry , pigment , alkaline earth metal , inorganic chemistry , mineralogy , metallurgy , chemistry , organic chemistry
The aim of this work is to produce white pigments having less amount of Ti 4+ than that of pure TiO 2 . It develops synthetic methods for the preparation of nanosized white pigments based on alkaline earth metal titanates and potassium titanium oxophosphate with a high surface area (30–80 m 2 /g) from ilmenite. The preparative methods involve the extraction of titanium as a water‐soluble titanium oxychloride from ilmenite and coprecipitation of constituent ions of pigments from their aqueous mixture solutions using a suitable precipitant. All the synthesized pigments have been characterized by X‐ray powder diffraction, transmission electron micrscope, and ultraviolet–visible spectroscopy study, energy‐dispersive X‐ray analysis, and Brunauer–Emmett–Teller surface area measurement.

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