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Title: The inhibitive effect of some new 4-arylhydrazono-2-pyrazolih-5-one derivatives on the corrosion of aluminium in hydrochloric acid solution
Authors: Rakha, T H
Taha, F I M
Zaglol, I I
Issue Date: Jul-1995
Publisher: NISCAIR-CSIR, India
Abstract: The inhibitive action of new 4-arylhydrazono-2-pyrazolin-5-one compounds on the dissolution of aluminium in 2M Hel has been investigated by weight loss, thermometric, hydrogen evolution and galvanostatic polarization techniques. All the methods gave similar results. An increase in the concentration of compounds increases the inhibition efficiency leading to a decrease in the corrosion rate. The activation energy of the dissolution reaction increases as the inhibitor efficiency is increased.
Page(s): 227-232
ISSN: 0975-0991 (Online); 0971-457X (Print)
Appears in Collections:IJCT Vol.02(4) [July 1995]

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