TiO2 nanoparticles, doped with different Pt contents, were prepared by a modified photodeposition method using Degussa P......

饮用水中痕量有机污染物分析用试剂二氯甲烷的纯化用浓硫酸洗至酸层无色后,以全玻璃仪器蒸馏三次,浓缩50～100倍经气相色谱检查无干......