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首页> 外文期刊>Research on Chemical Intermediates >Corrosion inhibition for low-carbon steel in 1 M H2SO4 solution by phenytoin: evaluation of the inhibition potency of another 'anticorrosive drug'
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Corrosion inhibition for low-carbon steel in 1 M H2SO4 solution by phenytoin: evaluation of the inhibition potency of another 'anticorrosive drug'

机译：苯妥英钠对1 M H2SO4溶液中低碳钢的腐蚀抑制作用：评估另一种“抗腐蚀药”的抑制能力

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摘要

The inhibitive properties of a drug, phenytoin (5,5-diphenylimidazolidine-2,4-dione, 5DID), on corrosion of low-carbon steel (LCS) in aerated 1 MH2SO4 solution has been evaluated in this study using gravimetric and polarization measurements. Judging from the results obtained, the drug served as a good inhibitor for LCS. The inhibition efficiency (I %) of 5DID in this medium was found to be concentration and temperature dependent, and the adsorption data fit the Langmuir and Temkin isotherm models. Polarization curves revealed that 5DID specifically affected the anodic reaction of the corrosion process. The electrochemical and gravimetric results were complemented with atomic force microscopy surface characterization.
机译：在这项研究中，使用重量分析和极化测量评估了苯妥英（5,5-二苯基咪唑烷-2,4-二酮，5DID）对低碳钢（LCS）在充气的1 MH2SO4溶液中的腐蚀的抑制性能。 。从获得的结果来看，该药物是LCS的良好抑制剂。发现该介质中5DID的抑制效率（I％）与浓度和温度有关，并且吸附数据符合Langmuir和Temkin等温模型。极化曲线表明5DID特别影响腐蚀过程的阳极反应。电化学和重量分析结果与原子力显微镜表面表征相辅相成。

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