INHIBITION OF CORROSION OF ALUMINUM IN HYDROCHLORIC-ACID BY COBALT TETRASULFOPHTHALOCYANINE

被引：0

作者：

PILLAI, VNS

THOMAS, J

HARIKUMAR, PS

机构：

来源：

INDIAN JOURNAL OF CHEMICAL TECHNOLOGY | 1995年 / 2卷 / 02期

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中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Inhibition of corrosion of aluminium in 2M HCl by cobalt tetrasulphophthalocyanine (CoTSP) has been investigated by gasometry, thermometry, weight loss and polarization techniques. Inhibitive property is exhibited in concentrations as low as 10(-7) M but reaches its maximum in concentrations exceeding 2 x 10(-4) M. The activation energy of the dissolution process is found to increase with increasing inhibitor concentration and Arrhenius activation energies show that the inhibition process is activation controlled.

引用

页码：99 / 103

页数：5

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