A precursor was obtained by hydrolyzing tetrabutyl titanate in hydrochloric acid or acetic acid solution, anatase nano-TiO2 powder was prepared from the precursor by hydrothermal method.

• 摘要分别在盐酸和冰醋酸溶液中水解钛酸四正丁酯，得到前驱体，通过水热法制备锐钛矿型二氧化钛纳米晶体。