采用动电位极化曲线和电化学阻抗谱研究了2-氨基-5-苯基-1,3,4-噻二唑(APT)在0.5mol/L硫酸中对碳钢的腐蚀抑制作用.结果表明,APT为混合型缓蚀剂,其在碳钢表面的吸附为化学吸附,阻抗参数的变化表明APT吸附在碳钢表面,形成保护膜,其吸附方式遵循Langmuir吸附等温式,并且吸附自发进行.
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