Effects of Iron Concentration Level in Extracting Solutions from Contaminated Soils on the Determination of Zinc by Flame Atomic Absorption Spectrometry with Two Background Correctors

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td align="left"> Steps</td><td align="left">Extracting solutions</td><td align="left">Nominal target phases</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td align="left">1</td><td align="left">Acetic acid 0.11 M</td><td align="left">Fraction F1: exchangeable, water- and acid-soluble</td></tr><tr><td align="left">2</td><td align="left">Hydroxylamine + hydrochloric acid 0.50 M at pH 2</td><td align="left">Fraction F2: reducible</td></tr><tr><td align="left">3</td><td align="left">Hydrogen peroxide 8.8 M, + ammonium acetate 1.0 M at pH 2</td><td align="left">Fraction F3: oxidizable</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Sequential extraction procedure (from Rauret et al. [<a href="/journals/jamc/2012/512709/#B33">33</a>]).

Journal of Analytical Methods in Chemistry

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Table 1

Table 1: Effects of Iron Concentration Level in Extracting Solutions from Contaminated Soils on the Determination of Zinc by Flame Atomic Absorption Spectrometry with Two Background Correctors 

Table 1 | Effects of Iron Concentration Level in Extracting Solutions from Contaminated Soils on the Determination of Zinc by Flame Atomic Absorption Spectrometry with Two Background Correctors 