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(shí)驗(yàn)研究了鈦液起始濃度、反應(yīng)液起始酸度、反應(yīng)溫度、反應(yīng)時(shí)間等實(shí)驗(yàn)條件對(duì)產(chǎn)品光化活性的影響,并對(duì)各制備方法進(jìn)行實(shí)驗(yàn)條件優(yōu)化和優(yōu)劣比較。