Inhibition of Corrosion of Carbon Steel in Well Water by DL-Phenylalanine-Zn<sup>2+</sup> System

<table>Equivalent circuit diagram: <svg height="14.75" id="M11" style="vertical-align:-3.25793pt" version="1.1" viewbox="0 0 16.2875 14.75" width="16.2875" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.75)">
<g transform="translate(72,-60.2)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝐑</tspan>
</text>
<text transform="matrix(1,0,0,-1,-62.92,60.37)">
<tspan style="font-size: 8.75px; " x="0" y="0">𝐬</tspan>
</text>
</g>
</g>
</svg>  is solution resistance, <svg height="14.7125" id="M12" style="vertical-align:-3.22281pt" version="1.1" viewbox="0 0 19.924999 14.7125" width="19.924999" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.7125)">
<g transform="translate(72,-60.23)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝐑</tspan>
</text>
<text transform="matrix(1,0,0,-1,-62.92,60.37)">
<tspan style="font-size: 8.75px; " x="0" y="0">c</tspan>
<tspan style="font-size: 8.75px; " x="3.8858881" y="0">t</tspan>
</text>
</g>
</g>
</svg> is charge transfer resistance, <svg height="14.9375" id="M13" style="vertical-align:-3.22281pt" version="1.1" viewbox="0 0 24.1875 14.9375" width="24.1875" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.9375)">
<g transform="translate(72,-60.05)">
<text transform="matrix(1,0,0,-1,-71.95,63.31)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝐂</tspan>
</text>
<text transform="matrix(1,0,0,-1,-62.92,60.18)">
<tspan style="font-size: 8.75px; " x="0" y="0">d</tspan>
<tspan style="font-size: 8.75px; " x="4.3759999" y="0">L</tspan>
</text>
</g>
</g>
</svg>  is double layer capacitance.</table>

Journal of Chemistry

sch2

Scheme 2

Scheme 2: Inhibition of Corrosion of Carbon Steel in Well Water by DL-Phenylalanine-Zn<sup>2+</sup> System 

Journal of Chemistry

Inhibition of Corrosion of Carbon Steel in Well Water by DL-Phenylalanine-Zn2+ System

Scheme 2

Inhibition of Corrosion of Carbon Steel in Well Water by DL-Phenylalanine-Zn²⁺ System