%0 Journal Article %T Study on anti-pollution nano-preparation of dimethomorph and its performance %A YAN Jianhui %A HUANG Kelong %A WANG Yuelong %A & LIU Suqin %A
YAN Jianhui %A HUANG Kelong %A WANG Yuelong %A & LIU Suqin . Institute of Function Materials and Chemistry %A Central South Univer- sity %A Changsha %A China %A . %J 科学通报(英文版) %D 2005 %I %X The photocatalysis of nanometer TiO2/Ag was modi- fied by sodium dodecyl sulfate,and its behavior of adsorption for pesticide was investigated on the surface of catalyst.Four kinds of water-olubility preparations were prepared by using TiO2/Ag,modified TiO2/Ag by 0.5% SDS,TiO2 and nothingness as photocatalyst with dimethomorph as effective compo- nent.They were besmeared on a piece of glass,and the photocatalytic experiment was done in sunlight.Degradation rates of 1.2% di- methomorph are 71.5%,68.0%,45.5% and 28.3%,respectively,when it was degraded in five days.Degradation rate of 10% dimetho- morph is 97.3% in eight days in sunlight and t1/2 is 2.8 d in nano-preparation,when it was sprayed on small cabbages after being diluted in rudimental experiments of toxicity for crop.The nano-preparation is of better biologic activity,the virulence of which is 1.235 times as great as original pesticide and 1.245 times as ordinary preparation under the same con- dition. %K nano-preparation of pesticide %K dimethomorph %K photo- %K catalysis %K TiO2/Ag
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=01BA20E8BA813E1908F3698710BBFEFEE816345F465FEBA5&cid=96E6E851B5104576C2DD9FC1FBCB69EF&jid=DD6615BC9D2CFCE0B6F945E8D5314523&aid=3AA73EEC0C73E0798EAF17EF9A5CBE58&yid=2DD7160C83D0ACED&vid=771152D1ADC1C0EB&iid=0B39A22176CE99FB&sid=6270DC1B5693DDAF&eid=4BB057F167CF3A60&journal_id=1001-6538&journal_name=科学通报(英文版)&referenced_num=2&reference_num=14