油酸钠对铝在盐酸溶液中的缓蚀作用的研究  

Investigation of Inhibition of Sodium Oleate for Aluminum in Hydrochloride Solution

作　　者：周俊[1] 刘晓轩[1] 自俊青 

机构地区：[1]云南省大理学院生命科学与化学学院,云南大理671300

出　　处：《楚雄师范学院学报》2009年第9期63-65,73,共4页Journal of Chuxiong Normal University

基　　金：云南省教育厅基金项目;项目编号:04Y156D

摘　　要：本文通过失重法研究盐酸溶液中,单一油酸钠以及添加硫酸高铈对铝的缓蚀效果,结果表明油酸钠对铝在盐酸溶液中有一定的缓蚀效果,添加硫酸高铈后,能产生明显的协同缓蚀作用。油酸钠在铝表面吸附不符合兰缪尔吸附,添加硫酸高铈后遵守兰缪尔吸附。The inhibitive effect of sodium oleate without and with ceric sulfate for aluminium in hydrochloric acid solution was studied by weight-loss method.The results showed that sodium oleate was a good inhibitor for aluminum in 1molL-1 HCl,but the inhibition efficiency is rapidly reduced as the increase of concentration of hydrochloric acid.The synergistic effects of sodium oleate and Ce（SO4）2 on the corrosion of aluminum in 2molL-1 HCl were also studied.By fitting the experimental data, it was found that the results of sodium oleate with ceric sulfate agree with Langmiur isotherm, but that of single sodium oleate was disagree with Langmiur isotherm.

关 键 词：铝 油酸钠 协同缓蚀 吸附 

分 类 号：TG174[金属学及工艺—金属表面处理]