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The Research of Thiosemicarbazide Modified as Acidizing Corrosion Inhibitor

机译:修饰硫代吡吡啶的研究作为酸化腐蚀抑制剂

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Corrosion inhibition of N80 steel in 15% HCl was investigated in the absence and presence of different concentrations of some thiosemicarbazide derivatives (Mannich baseI, Mannich baseII) by weight loss, potentiodynamic polarization techniques. The adsorption of Mannich bases obeyed Langmuir adsorption isotherm. Both thermodynamic and activation parameters were calculated and discussed. The absorption process of Mannich base corrosion inhibitors on the surface of N80 steel is spontaneous, endothermic and entropy increase process. Polarization curves indicated that the inhibitor of Mannich bases are the mixed corrosion-controlling one which inhibited anodie corrosion. The results obtained from weight loss, Potentiodynamic polarization are in good agreement.
机译:在减轻硫代硫脲衍生物(Mannich Basei,Mannich Baseii)的不同浓度的情况下,研究了N80钢在15%HCl中的腐蚀抑制在重量损失,电位偏振技术的情况下,对其存在不同的硫代喹甲衍生物(Mannich Basei,Mannich Baseii)。曼尼希碱的吸附服从Langmuir吸附等温线。计算并讨论热力学和激活参数。 N80钢表面上Mannich基腐蚀剂的吸收过程是自发的,吸热和熵的增加过程。偏振曲线表明,曼尼希碱的抑制剂是混合腐蚀控制,其抑制阳极腐蚀。从减肥,电位动力学极化获得的结果非常一致。

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