The inhibiting capacity of Tinospora cordifolia extract (TCE) was evaluated on mild steel in 1 M HCl and 0.5 M H₂SO₄ by physicochemical and electrochemical techniques and by utilizing statistical tools such as response surface methodology and the Box-Behnken design (BBD). Surface properties were ascertained by scanning electron microscopy and atomic force microscopy to confirm the adsorption performance of the inhibitor molecules on the surface of the metal. Experimental results were found to agree with quantum chemical calculations of the active principle of TCE, Tinosponone. Weight loss measurements exhibited extreme inhibition power of TCE as 94.73% and 82.53% in 1 M HCl and 0.5 M H₂SO₄, respectively, at 5 v/v% concentration at 303 K. Electrochemical impedance spectroscopy (EIS) studies were agreed with weight loss measurements as EIS showed an inhibition efficiency of 93.51% in 1 M HCl and 88.68% in 0.5 M H₂SO₄ solutions. Electrochemical studies were evident that TCE can hinder reactions of the cathode and anode of mild steel. Kinetic and thermodynamic studies indicated the mixed-type adsorption behavior of TCE on mild steel by following the Langmuir adsorption isotherm in both acid media. The BBD method was applied to verify the impact of three test factors, temperature, TCE concentration, and acid concentration, on inhibition efficiency of mild steel in HCl medium. Experimental and theoretical results confirmed the anticorrosion potential of the environment-friendly inhibitor TCE.

的抑制能力心叶青牛胆提取物（TCE）中的溶液中的1M HCl和0.5M H于软钢评价₂ SO ₄通过物理化学和电化学方法，并且通过利用统计工具，如响应面分析法和箱式Behnken法设计（BBD）。通过扫描电子显微镜和原子力显微镜确定表面性质，以确认抑制剂分子在金属表面的吸附性能。发现实验结果与 TCE 的活性成分 Tinosponone 的量子化学计算一致。重量损失测量表明，在 1 M HCl 和 0.5 M H ₂ SO _{4 中}，TCE 的抑制能力为 94.73% 和 82.53%分别为 5 v/v% 浓度，303 K。电化学阻抗谱 (EIS) 研究与重量损失测量一致，因为 EIS 在 1 M HCl 中显示抑制效率为 93.51%，在 0.5 M H ₂ SO _{4 中}抑制效率为 88.68%解决方案。电化学研究表明，TCE 会阻碍低碳钢阴极和阳极的反应。动力学和热力学研究表明，在两种酸介质中遵循朗缪尔吸附等温线，三氯乙烯在低碳钢上的混合型吸附行为。应用 BBD 方法验证了温度、TCE 浓度和酸浓度三个测试因素对低碳钢在 HCl 介质中的缓蚀效率的影响。实验和理论结果证实了环保型抑制剂 TCE 的防腐潜力。