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    Thermometric Study of Inhibition of Aluminium Corrosion in Hydrochloric Acid Solution

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    0797171-0013-fulltext.pdf (292.9Kb)
    Date
    1997
    Author
    Al Gaber, A.S. [امينة سلطان الجابر]
    Seliman, S. A.
    Mourad, M.
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    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.
    DOI/handle
    http://hdl.handle.net/10576/9957
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    • Qatar University Science Journal - [From 1981 TO 2007] [‎770‎ items ]

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