Langmuir isotherm. The thermodynamic activation functions of the dissolution process were also calculated as a function of inhibitor concentration. UV-vis, scanning electron microscopy (SEM), and energy dispersive X-ray spectroscopy (EDX) techniques were used to confirm the adsorption phenomenon. The quantum chemical parameters, inductively coupled plasma atomic emission spectroscopy (ICPE) measurements
两种偶氮衍
生物,4-((
4-羟基-3-((4-氧代-2-
硫代
噻唑烷-5-亚基)甲基)苯基)二嗪基)
苯磺酸(TODB)和4-((3-((4,合成了
4-二甲基-2,6-二氧亚环己基)甲基)-
4-羟基苯基)二嗪基)
苯磺酸(DODB),并使用傅里叶变换红外光谱(FTIR)、质子核磁共振( 1 H-NMR)和质谱进行表征光谱研究。采用重量分析法、动电位极化(PDP)、电
化学阻抗谱(EIS)、电
化学调频(E
FM)技术和电感耦合等离子体发射光谱法验证了上述两种化合物作为低碳钢(MS)腐蚀的能力1 M HCl 中的
抑制剂。 Tafel 数据表明 TODB 和 DODB 具有混合型特性,EIS 结果表明,增加它们的浓度不仅使低碳钢的电荷转移 ( R ct ) 从 6.88 Ω cm 2改变到 112.9 Ω cm 2 ,而且还改变了吸附双层( C dl )从225.36μF cm -2 到348.36 μF