Research Article

Masking Agents Evaluation for Lead Determination by Flow Injection-Hydride Generation-Atomic Fluorescence Spectrometry Technique: Effect of KI, L-Cysteine, and 1,10-Phenanthroline

Figure 4

Calibration curves for lead obtained in the presence of different concentration of 1,10-phenanthroline. Reaction conditions: 1% (m/v) KBH4, 1.5% (v/v) HCl, and 1.5% (m/v) K3[Fe(CN)6].