Black Wattle Tannin As Steel Corrosion Inhibitor

<table>Potentiodynamic polarization curves of steel immersed in aerated 0.1 mol L<sup>−1</sup> Na<sub>2</sub>SO<sub>4</sub> solution (pH 2.5) in the presence of tannin <svg height="13.45" id="M69" style="vertical-align:-2.21957pt" version="1.1" viewbox="0 0 18.35 13.45" width="18.35" xmlns="http://www.w3.org/2000/svg">
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</svg> and absence of tannin <svg height="13.45" id="M70" style="vertical-align:-2.21957pt" version="1.1" viewbox="0 0 18.35 13.45" width="18.35" xmlns="http://www.w3.org/2000/svg">
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</svg> for  (a) 1 day, (b) 3 days, and 7 days.</table>

International Scholarly Research Notices

Black Wattle Tannin As Steel Corrosion Inhibitor

Figure 7