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Citation: GUO Jun-Huai, SHEN Xing-Can, WU Li-Yan, ZHENG Wen-Jun. The Accelerated Crystal Phase Transition for Rutile Titania[J]. Chinese Journal of Applied Chemistry, ;2003, 20(7): 647-650. shu

The Accelerated Crystal Phase Transition for Rutile Titania

1.
a Department of Chemistry, Nankai University, Tianjin 300071;
2.
b Department of Chemistry and Chemical Engineering, Guangxi Normal University, Guilin

Corresponding author: GUO Jun-Huai,
Received Date: 9 October 2002
Available Online: 18 February 2003
Fund Project:

The titanate solution has been prepared by dissolving ilmenite in sulfuric acid. A composite crystal seed was obtained from titanate solution and stannous dichloride in the course of hydrolysis of titanate solution under atmosphere pressure, using stannic oxide(7.0% in mass fraction) as an accelerant. Thus the temperature of crystal phase transition from anatase to rutile titania was decreased to 870℃, the time for complete phase transition was shortened evidently. It was also found that introducing 0.5%(mass fraction) zinc ions in the salt treatment process could further shorten the phase transition time.
- titania,
- rutile,
- phase transition,
- stannic oxide
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