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首页> 外文期刊>International Journal of Electrochemical Science >Unused Meropenem Drug as Corrosion Inhibitor for Copper in Acidic Medium; Experimental and Theoretical Studies
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Unused Meropenem Drug as Corrosion Inhibitor for Copper in Acidic Medium; Experimental and Theoretical Studies

机译：未使用的美罗培南药物作为酸性介质中铜的腐蚀抑制剂;实验与理论研究

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摘要

Inhibitive and adsorption properties of unused meropenem drug for the corrosion of Cu in one molarHNO3 solution have been done by utilized (EIS), tafel polarization and (EFM) techniques as well asmass reduction methods of monitoring corrosion. The Effect of temperature was investigated at0 temperature range (25 - 45 C). The obtained results indicated that the examined drug is an excellentinhibitor in 1 M HNO3 and its efficiency equalize to 98.7% at 300 ppm. The inhibition efficiencypercent (% IE) improvements with raising the drug dose while it lowering with raising the temperatureof solution. The polarization data indicated that this drug play as mixed inhibitor type. The adsorptionof the drug on the Cu surface follows the Temkin isotherm. Thermodynamic parameters have beencalculated and discussed.
机译：通过使用（EIS），塔菲尔极化和（EFM）技术以及监测腐蚀的质量减少方法，已经获得了未使用的美罗培南药物对一摩尔HNO3溶液中的Cu的抑制和吸附特性。在0温度范围（25-45 C）下研究了温度的影响。获得的结果表明，所检查的药物在1 M HNO3中是极好的抑制剂，其效率在300 ppm时等于98.7％。抑制效率百分数（％IE）随着药物剂量的增加而提高，而随着溶液温度的升高而降低。极化数据表明该药物起混合抑制剂类型的作用。药物在铜表面的吸附遵循Temkin等温线。已经计算和讨论了热力学参数。

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