用硝酸对非晶氧化钛进行处理,制得了结晶良好的二氧化钛混晶产物,利用Rietveld方法对所得样品的结构进行了精修,结果发现样品中锐钛相含量为49.16%,其晶胞参数为a=b=3.782(A)、c=9.551(A),板钛矿相含量为43.25%,其晶胞参数为a=9.322(A)、b=5.448(A)、c=5.185(A),金红石相含量为7.59%,其晶胞参数为a=b=4.614(A)、c=2.969(A),此外粒度分布测试表明,所制得样品在醇水混合液中具有良好的自分散性.
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