Research Article
Simultaneous Determination of Ternary Mixture of Carboxin, Chlorpyrifos, and Tebuconazole Residues in Cabbage Samples Using Three Spectrophotometric Methods
Figure 11
Successive derivative ratio spectra of 1, 3, 5, 8, 10, 15, 20, 25, 30, 35, 40, and 45 μg/mL of tebuconazole in methanol at Δλ = 2 nm.