Electrochemical, Isotherm, and Material Strength Studies of <i>Cucumeropsis mannii</i> Shell Extract on A515 Grade 70 Carbon Steel in NaCl Solution

<table class="table-group" id="tab11"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Immersion time (day)</td><td class="align_center" colspan="2">Fe<sup>2+</sup> conc. (ppm) in solution</td></tr><tr class="thead"><td class="align_center">Without CMSE</td><td class="align_center">With CMSE</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center">0.13</td><td class="align_center">0.009</td></tr><tr><td class="align_left">2</td><td class="align_center">0.19</td><td class="align_center">0.013</td></tr><tr><td class="align_left">3</td><td class="align_center">0.28</td><td class="align_center">0.026</td></tr><tr><td class="align_left">4</td><td class="align_center">0.44</td><td class="align_center">0.038</td></tr><tr><td class="align_left">5</td><td class="align_center">0.59</td><td class="align_center">0.044</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Fe<sup>2+</sup> concentration loss during corrosion experiments with and without CMSE.</div>

International Journal of Corrosion

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Table 11

Table 11: Electrochemical, Isotherm, and Material Strength Studies of <i>Cucumeropsis mannii</i> Shell Extract on A515 Grade 70 Carbon Steel in NaCl Solution 

Table 11 | Electrochemical, Isotherm, and Material Strength Studies of Cucumeropsis mannii Shell Extract on A515 Grade 70 Carbon Steel in NaCl Solution 