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首页> 外文期刊>Journal of Materials Science and Chemical Engineering >Co Complexes as a Corrosion Inhibitor for 316 L Stainless Steel in H2SO4 Solution
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Co Complexes as a Corrosion Inhibitor for 316 L Stainless Steel in H2SO4 Solution

机译:钴配合物作为316 L不锈钢在H2SO4溶液中的腐蚀抑制剂

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The effect of Co complexes with a Schiff base ligand on the electrochemical corrosion behavior of 316 L SS in 0.1 M H2SO4 at 25℃ has been investigated at various inhibitor concentration using electrochemical techniques (impedance spectroscopy (EIS), polarization curves). Corrosion measurements indicate that Co complex act as moderately inhibitors. Results revealed that increasing the concentration of Co complex increases the corresponding IE% values till 100 ppm. Co complex acts as mixed type inhibitors with predominant effect on the anodic dissolution of iron. Adsorption studies showed that the process follows Langmuir adsorption isotherm.
机译:使用电化学技术(阻抗谱(EIS),极化曲线)研究了在25℃下在0.1 M H2SO4中含Schiff碱配体的Co配合物对316 L SS电化学腐蚀行为的影响。腐蚀测量表明,Co络合物可作为中度抑制剂。结果显示,增加Co配合物的浓度会增加相应的IE%值,直到100 ppm。 Co配合物起混合型抑制剂的作用,对铁的阳极溶解起主要作用。吸附研究表明,该过程遵循Langmuir吸附等温线。

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