Application of  Dispersive Liquid-Liquid Microextraction with Graphite Furnace Atomic Absorption Spectrometry for Determination of Trace Amounts of Zinc in Water Samples

<table>Effect of the extraction time on the analytical responses, conditions: sample volume 5.0 mL containing 1.0 ng mL<sup>−1</sup> Zn(II), dispersive solvent 1.0 mL ethanol, extraction solvent 200 <i>μ</i>L CCl<sub>4</sub> containing <svg height="16.112499" id="M6" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 67.487503 16.112499" width="67.487503" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> mol L<sup>−1</sup>.</table>

International Journal of Analytical Chemistry

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Figure 5

Figure 5: Application of  Dispersive Liquid-Liquid Microextraction with Graphite Furnace Atomic Absorption Spectrometry for Determination of Trace Amounts of Zinc in Water Samples 

Figure 5 | Application of  Dispersive Liquid-Liquid Microextraction with Graphite Furnace Atomic Absorption Spectrometry for Determination of Trace Amounts of Zinc in Water Samples 