Solid Phase Extraction of Inorganic Mercury Using 5-Phenylazo-8-hydroxyquinoline and Determination by Cold Vapor Atomic Fluorescence Spectroscopy in Natural Water Samples

<table>Adsorption profile of Hg(II) as a function of increasing metal concentration. Conditions: [Hg<sup>2+</sup>]: 10–160 <i>μ</i>g mL<sup>−1</sup>, volume: 50 mL, pH: 4, and m(5Ph8HQ): 1 g.</table>

The Scientific World Journal

fig4

Figure 4

Figure 4: Solid Phase Extraction of Inorganic Mercury Using 5-Phenylazo-8-hydroxyquinoline and Determination by Cold Vapor Atomic Fluorescence Spectroscopy in Natural Water Samples 

Figure 4 | Solid Phase Extraction of Inorganic Mercury Using 5-Phenylazo-8-hydroxyquinoline and Determination by Cold Vapor Atomic Fluorescence Spectroscopy in Natural Water Samples 