In this dissertation , the synthesized conditions , such as the initial concentration of ti4 + , the initial acidity , the reactive temperature and the reactive time , have been studied with their effects on the photochemical activity of the product and the four preparation methods have been compared and optimized 并分別實驗研究了鈦液起始濃度、反應液起始酸度、反應溫度、反應時間等實驗條件對產(chǎn)品光化活性的影響,并對各制備方法進行實驗條件優(yōu)化和優(yōu)劣比較。