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二氧化钛的金红石型（Ｒｕｔｉｌｅ）和锐钛型（Ａｎａｔａｓｅ）产品中，前者具有更广泛的用途、更好的性能、更高的价格。锐钛型ＴｉＯ２转变为金红石型ＴｉＯ２（简称Ａ→Ｒ相变）的温度通常为 ６１０℃～ ９１５℃，且转化时间较长。由转变温度一时间关系图［１］可以发现
Titanium Dioxide Rutile and Anatase products, the former has a wider range of uses, better performance, higher prices. The temperature at which anatase TiO2 is converted to rutile TiO2 (A → R phase transition) is usually 610 ° C-915 ° C, and the conversion time is longer. From the transition temperature of a time diagram [1] can be found