Eco-Friendly Impact of Sumac Extract as Corrosion Inhibitor for Zinc in Hydrochloric Acid Solution

IF 0.7 Q3 Engineering

Surface Engineering and Applied Electrochemistry Pub Date : 2025-06-10 DOI:10.3103/S1068375525700103

H. M. Elabbasy, O. A. Mohamed, A. S. Fouda

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Abstract

The effectiveness of sumac extract in preventing zinc from corroding in 1 M HCl has been investigated using potentiodynamic polarization (PDP), electrochemical frequency modulation (EFM), electrochemical impedance spectroscopy (EIS) and weight loss tests (WL) at different temperatures. By contrasting the inhibition effectiveness (%IE) with and without the extract, the inhibition efficiency was ascertained. It was found that the corrosion inhibition efficiency increased at higher extract concentrations, peaking at 93.7% at 300 ppm and 25°C, and that the temperature had an opposite effect. According to the PDP data results, sumac extract functions as a mixed-type inhibitor. Generally, the Langmuir adsorption isotherm matched the adsorption process. The extract adsorbs spontaneously onto the metal surface, according to thermodynamic conditions. Analyses of the corrosion product using Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM) revealed that a protective layer was formed on the metal surface. The outcomes from the several tested methods agreed rather well.

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漆树提取物在盐酸溶液中作为锌缓蚀剂的生态效应

采用动电位极化（PDP）、电化学调频（EFM）、电化学阻抗谱（EIS）和失重试验（WL）等方法研究了漆树提取物在1 M HCl溶液中的防蚀作用。通过对加、不加提取物的抑菌率（%IE）进行比较，确定了抑菌率。结果表明，萃取液浓度越高，缓蚀效率越高，在300 ppm和25℃时达到93.7%的峰值，而温度则相反。根据PDP数据结果，漆树提取物具有混合型抑制剂的作用。Langmuir吸附等温线与吸附过程基本吻合。根据热力学条件，萃取物会自发地吸附在金属表面。利用傅里叶变换红外光谱（FTIR）和扫描电镜（SEM）对腐蚀产物进行分析，发现金属表面形成了一层保护层。经过测试的几种方法的结果相当一致。

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来源期刊

Surface Engineering and Applied Electrochemistry Engineering-Industrial and Manufacturing Engineering

CiteScore

1.60

自引率

22.20%

发文量

期刊介绍： Surface Engineering and Applied Electrochemistry is a journal that publishes original and review articles on theory and applications of electroerosion and electrochemical methods for the treatment of materials; physical and chemical methods for the preparation of macro-, micro-, and nanomaterials and their properties; electrical processes in engineering, chemistry, and methods for the processing of biological products and food; and application electromagnetic fields in biological systems.