2009). DCPU, DCPMU, diuron and DCA analytical standards were purchased from Dr. Ehrenstorfer-Schafers Laboratory (Augsburg, Germany) with purity around 99%. Acetonitrile and methanol (HPLC grade) were ...

Thus, theadsorption of theherbicides paraquat, diuron and 2,4-D was investigated mainly because they present different chemical properties. The main characteristics of soils and herbicides responsible ...