Direct Zinc Determination in Brazilian Sugar Cane Spirit by Solid-Phase Extraction Using <i>Moringa oleifera</i> Husks in a Flow System with Detection by FAAS

<table>Pareto chart obtained from the optimization study of the variables, with their significance, for the preconcentration of Zn(II) using activated carbon obtained from <i>Moringa oleifera</i> husks as the sorbent and FAAS.</table>

International Journal of Analytical Chemistry

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Figure 3

Figure 3: Direct Zinc Determination in Brazilian Sugar Cane Spirit by Solid-Phase Extraction Using <i>Moringa oleifera</i> Husks in a Flow System with Detection by FAAS 

Figure 3 | Direct Zinc Determination in Brazilian Sugar Cane Spirit by Solid-Phase Extraction Using Moringa oleifera Husks in a Flow System with Detection by FAAS 