Figure 4
From: Speciation determination of iron and its spatial and seasonal distribution in coastal river
Calibration curve for Fe(III) at the gold electrode surface, where the concentrations of Fe(III) range from 0.01 μM to1 μM in 0.1 M acetate buffer (pH 6.0) containing 20 μM 5-Br-PADAP. Inset shows the voltammetric responses of Fe(III).
