Research Article

Simultaneous Determination of Ternary Mixture of Carboxin, Chlorpyrifos, and Tebuconazole Residues in Cabbage Samples Using Three Spectrophotometric Methods

Figure 9

Successive derivative ratio spectra of 1, 3, 5, 8, 10, 12, 15, 18, 20, 25, and 30 μg/mL of carboxin in methanol at Δλ = 2 nm.