The crystalline grain size is uniforn, and the size distribution of the powder is narrow.The prepared nanosized TiO2 powders have high-purity and their phase structure is single anatase phase.

• 结果表明：随着沉淀剂浓度的不同，可制备出不同粒径的二氧化钛纳米颗粒，其粒径均匀，尺寸分布较窄，纯度高，晶型皆为单一的锐钛矿型。