Under the conditions of determined temperature and soaking time, the corrosion resistance of iron is best when the TTA mass concentration is 7%. When the concentration of TTA is low, after the reaction between iron and Tolyltriazole(TTA) cas:29385-43-1, the rust proof film on the metal surface is thin and may not completely cover the metal surface. As the concentration of TTA increases, the rust proof film becomes thicker and the coverage increases, reaching its maximum at 7%. After that, increasing the concentration, the thickness and coverage area of the rust proof film no longer increase, so the effect is not significant.
Under the conditions of determined temperature and TTA mass concentration, the corrosion resistance of iron is best when soaked for 15 minutes. At the beginning, the film-forming speed is fast. When the film-forming reaches a certain degree, the rust proof film completely covers the metal surface, and the best effect is achieved at this time (i.e. 15 minutes); As t…