Corrosion inhibition of aluminium by some picrate salts

被引：0
|
作者：
Khalil, RM [1 ]
Al-Nowaiser, FM [1 ]
机构：
[1] King Abdulaziz Univ, Fac Sci, Dept Chem, Jeddah 21477, Saudi Arabia
来源：
BULLETIN OF ELECTROCHEMISTRY | 2004年 / 20卷 / 01期
关键词：
corrosion; inhibition; aluminium and picrate salts;
D O I：
暂无
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Corrosion of aluminium in hydrochloric acid solution has been studied by hydrogen evolution, weight loss as well as galvanostatic measurements without and with some picrate salts as inhibitors. The inhibitors used are: Sodium, Potasium and Ammonium picrate, mono, di, tri and tetramethylammonium picrate. The compounds have a marked inhibitive effect on the corrosion of aluminium. The dependence of corrosion rate on inhibitor concentration is highly marked. The effect of substitution of hydrogen atoms in ammonium by methyl groups in alkylannnonium picrate salts on corrosion rate is investigated.
引用
收藏
页码：7 / 12
页数：6
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