Research Article
Three Different Spectrophotometric Methods for Simultaneous Determination of Pyriproxyfen and Chlorothalonil Residues in Cucumber and Cabbage Samples
Figure 11
Mean-centered ratio spectra (1, 2, 3, 5, 7, 10, 15, 20, 25, and 30 μg·mL−1) of pyriproxyfen in methanol as a blank.