The results showed that both TU and PTU can be adsorbed on the iron electrode surface and the inhibition of PTU is better than TU in 0 1mol/L KCl solution. The adsorption mode of TU and PTU is similar in the interaction of S atom and iron surface.

• 结果表明，在0.；1mol/LKCl溶液中，上述两种缓蚀剂均能吸附在铁的表面，对铁起缓蚀作用，二者在铁表面的吸附模式基本相似，系通过分子中的硫原子与金属铁作用。