Figure 6
Effect of volume (A) of methanol/HCl 0.1 M solvent at different ratios (B) on the recovery of tartrazine in the D-μ-SPE method.
Figure 6 | Scientific Reports
Effect of volume (A) of methanol/HCl 0.1 M solvent at different ratios (B) on the recovery of tartrazine in the D-μ-SPE method.
