Inhibiting Effect of Alkylphosphonates with Polyoxyethylene Groups on Corrosion of Iron in Acidic Solution

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Bibliographic Information

Other Title
  • ポリオキシエチレン基を有するアルキルホスホネートの酸性浴中における鉄に対する防食作用

Description

Inhibiting effects of diethyl phosphite, diethyl α-hydroxyethyl phosphonate and diethyl α-polyoxyethylene ethylphosphonates on corrosion of iron were studied in sulphuric and hydrochloric acids. Measurements of hydrogen gas evolution, polarization and capacitive impedance were applied. Among the compounds, diethyl α-polyoxyethylene ethylphosphonates were excellent inhibitors. They inhibited the catholic corrosion reaction in sulphuric acid, and the both anodic and cathodic reactions in hydrochloric acid.

Journal

  • CORROSION ENGINEERING

    CORROSION ENGINEERING 23 (9), 433-438, 1974

    Japan Society of Corrosion Engineering

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