Fig. 3

Photodegradation of profoxydim in paddy water. (a) LC-DAD chromatogram of profoxydim at the beginning of photodegradation and LC-DAD chromatogram of profoxydim at the end of the irradiation. (b) Evolution of degradation products (empty symbols and dotted lines) formed during the photolysis of profoxydim (filled symbols and solid line).