Inhibiting Effect of Thiosemicarbazide and 4-Phenyl Thiosemicarbazide Towards the Corrosion of Carbon Steel in H<sub>3</sub>PO<sub>4</sub> Solutions

Ameena Mohsen Al-Bonayan

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Inhibiting Effect of Thiosemicarbazide and 4-Phenyl Thiosemicarbazide Towards the Corrosion of Carbon Steel in H₃PO₄ Solutions

机译：硫代氨基脲和4-苯基硫代氨基脲对H _{3 PO _{4 溶液中碳钢腐蚀的抑制作用}}

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Corrosion inhibition of C-steel in 2 N H3PO4 solution using thiosemicarbazide (TSC) and 4-phenylthiosemicarbazide (PTSC) at different concentrations was investigated by potentiodynamicpolarization and electrochemical impedance spectroscopy (EIS) techniques .The presence of thesecompounds in the solution decreases the double layer capacitance and increases the charge transferresistance .Potentiodynamic polarization studies were shown that the investigated compounds aremixed type inhibitors. The effect of temperature on corrosion inhibition has been studied andthermodynamic activation parameters were calculated. The inhibition was found to increase withincreasing the inhibitor concentration and decreases with rise in temperature. The adsorption of these.

机译：通过电势极化和电化学阻抗谱（EIS）技术研究了使用不同浓度的硫代氨基脲（TSC）和4-苯基硫代氨基脲（PTSC）在2 N H3PO4溶液中对C钢的腐蚀抑制作用。溶液中这些化合物的存在减少了双层电势极化研究表明，所研究的化合物为混合型抑制剂。研究了温度对缓蚀性能的影响，并计算了热力学活化参数。发现抑制作用随着抑制剂浓度的增加而增加，并且随着温度的升高而降低。这些的吸附。

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《International Journal of Electrochemical Science》 |2015年第1期|共13页
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Ameena Mohsen Al-Bonayan;
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中图分类化学;
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Inhibiting Effect of Thiosemicarbazide and 4-Phenyl Thiosemicarbazide Towards the Corrosion of Carbon Steel in H3PO4 Solutions

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Inhibiting Effect of Thiosemicarbazide and 4-Phenyl Thiosemicarbazide Towards the Corrosion of Carbon Steel in H₃PO₄ Solutions