Thermometric Study of Inhibition of Aluminium Corrosion in Hydrochloric Acid Solution

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Thermometric Study of Inhibition of Aluminium Corrosion in Hydrochloric Acid Solution

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Title: Thermometric Study of Inhibition of Aluminium Corrosion in Hydrochloric Acid Solution
Author: Al Gaber, A.S. [امينة سلطان الجابر]
Abstract: The use of 6- amino - 4- (4-phenyl)-l,4- dihydro -3- methylpyrano [2,3- c] pyrazole -5- carbonitrile and some related compounds as corrosion inhibitors for aluminium in 2 M HCl solution was studied by the thermometric method. The results indicate that the additives reduce the corrosion rate via weak adsorption through the cationic oxygen of the pyran ring. They act as mixed inhibitors and their adsorption was found to obey Frumkin's isotherm. The inhibition efficiency of the additives is related to the absolute value of the Hamment constant.تمت دراسة تأثير المركب العضوي .
URI: http://hdl.handle.net/10576/9957
Date: 1997

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