Solidified Floating Organic Drop Microextraction for the Detection of Trace Amount of Lead in Various Samples by Electrothermal Atomic Absorption Spectrometry

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Sample</td><td class="align_center">Certified Pb (II) (<i>µ</i>g L<sup>−1</sup>)</td><td class="align_center">Found (<i>µ</i>g L<sup>−1</sup>)</td><td class="align_center">Recovery (%)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Hair reference material (NCS DC 73347)</td><td class="align_center">8,8</td><td class="align_center">8,5 ± 0.02</td><td class="align_center">96.6 ± 2</td></tr><tr><td class="align_left">Biscuit</td><td class="align_center">24</td><td class="align_center">24.10 ± 0.05</td><td class="align_center">100 ± 1</td></tr><tr><td class="align_left">Wastewater (SPS-WW2)</td><td class="align_center">500</td><td class="align_center">495</td><td class="align_center">99</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Determination of Pb (II) ions in human hair and biscuit samples.

Journal of Analytical Methods in Chemistry

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Table 3

Table 3: Solidified Floating Organic Drop Microextraction for the Detection of Trace Amount of Lead in Various Samples by Electrothermal Atomic Absorption Spectrometry 

Table 3 | Solidified Floating Organic Drop Microextraction for the Detection of Trace Amount of Lead in Various Samples by Electrothermal Atomic Absorption Spectrometry 