The results of surface analysis indicated that the protecting film formed in the binary inhibitor was probably composed of products of WO 2- 4 Fe 3+ and BTA - Fe 2+ .

• 复配缓蚀剂的缓蚀机理为WO2 -4 与BTA分别与Fe3+ 和Fe2 + 发生反应生成稳定的膜覆盖于电极表面