Volume 23 Preprint 63

Effects of Chloride Ion on Corrosion Rate of Mild Steel in Suphuric Acid Pickling Solution

Keywords: Uniform corrosion, crevice corrosion, erosion corrosion, stress corrosion cracking, corrosion fatigue

<p class="MsoNormal" style="line-height:normal"><i>The inhibitive effects of chloride ion on corrosion rate of mild steel in sulphuric acid pickling solutions was investigated using hydrogen evolution method. Sodium chloride salt was used to furnish the chloride ion. The results show increasing reduction in corrosion rate of mild steel in sulphuric acid pickling at all concentrations with increasing amount of sodium chloride salt, thereby confirming that the chloride ion has an inhibitive effect on the hydrogen evolution reaction in acid pickling of mild steel and so could serve as an inhibitor in a typical sulphuric acid pickling of mild steel.</i></p> <p> <i><br clear="all" style="page-break-before:always;mso-break-type:section-break"></i></p>

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