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    Volume 6, Issue 1 (November 2017)

    Electrical and Gravimetric Estimation of the Corrosion Inhibition of Three Synthesized Cationic Surfactants N-(3-(Butylidene Amino) Propyl)-N, N-Dimethyl Alkan-1-Ammonium Bromide Derivatives in 1 M HCl

    (Received 3 January 2017; accepted 23 May 2017)

    Published Online: 13 November 2017

    CODEN: MPCACD

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    Abstract

    The inhibiting effect of three synthesized corrosion inhibitors that are based on Schiff base and named N-(3-(butylidene amino) propyl)-N,N-dimethyl decan-1-ammonium bromide, N-(3-(butylidene amino) propyl)-N,N-dimethyl dodecan-1-ammomium bromide, and N-(3-(butylidene amino) propyl)-N,N-dimethyl hexadecan-1-ammonium on the corrosion rate of mild steel in 1.0 M hydrochloric acid was monitored through gravimetric and electrochemical techniques at 25°C. The temperature effect ranging from 25°C to 70°C on the corrosion rate has been studied and used for predicting the adsorption isotherm and thermodynamic parameters. The propensity of the synthesized compounds to adsorb on the steel surface were found to obey Villamil adsorption isotherm. The inhibition efficiency was increased concurrently with a plethora of inhibitor concentration and a rise of the solution temperature. Polarization curves prove that the tested compounds act as mixed-type inhibitors. Double-layer capacitances of inhibitors decrease when compared to the blank solution.

    Author Information:

    Aiad, Ismail
    Petrochemical Department, Egyptian Petroleum Research Institute, Cairo, Egypt

    Shaban, Samy M.
    Petrochemical Department, Egyptian Petroleum Research Institute, Cairo, Egypt

    El-Sukkary, Mohamed M.
    Petrochemical Department, Egyptian Petroleum Research Institute, Cairo, Egypt

    El-Awady, Moshira Y.
    Petrochemical Department, Egyptian Petroleum Research Institute, Cairo, Egypt

    Soliman, E. A.
    Faculty of Science, Ain Shams University, Cairo, Egypt


    Stock #: MPC20170001

    ISSN:2379-1365

    DOI: 10.1520/MPC20170001

    Author
    Title Electrical and Gravimetric Estimation of the Corrosion Inhibition of Three Synthesized Cationic Surfactants N-(3-(Butylidene Amino) Propyl)-N, N-Dimethyl Alkan-1-Ammonium Bromide Derivatives in 1 M HCl
    Symposium ,
    Committee A01