Solid Phase Extraction of Inorganic Mercury Using 5-Phenylazo-8-hydroxyquinoline and Determination by Cold Vapor Atomic Fluorescence Spectroscopy in Natural Water Samples
Figure 5
Effect of flow rate mercury by 5Ph8HQ column extraction. Conditions: [Hg2+]: 2 ng mL−1, (50 mL), pH 4, and eluent: 5 M HCl + 5% CS(NH2)2/10 mL. Bars represent standard deviation for two replicates.
