Inhibition and Biocide Actions of Sodium Dodecyl Sulfate-Zn2+ System for the Corrosion of Carbon Steel in Chloride Solution | Zendy

Nisha Antony | Zendy; H. Benita Sherine | Zendy; S. Rajendran | Zendy

Open Access

Inhibition and Biocide Actions of Sodium Dodecyl Sulfate-Zn2+ System for the Corrosion of Carbon Steel in Chloride Solution

Author(s) -

Nisha Antony,

H. Benita Sherine,

S. Rajendran

Publication year - 2010

Publication title -

portugaliae electrochimica acta

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.252

H-Index - 27

eISSN - 1647-1571

pISSN - 0872-1904

DOI - 10.4152/pea.201001001

Subject(s) - biocide , corrosion , sodium dodecyl sulfate , carbon steel , sulfate , sodium , chloride , chemistry , sodium sulfate , inorganic chemistry , carbon fibers , nuclear chemistry , materials science , chromatography , organic chemistry , composite material , composite number

The inhibition efficiency of sodium dodecyl sulfate (SDS) in controlling corrosion of carbon steel in aqueous solution containing 120 ppm of Clin the presence and absence of Zn 2+ has been evaluated by weight loss method. The formulation consisting of 300 ppm of SDS and 75 ppm of Zn 2+ gives 93 % inhibition efficiency. A synergistic effect exists between SDS and Zn 2+ . As the immersion period increases, the inhibition efficiency of SDS-Zn 2+ decreases. Polarization study reveals that this formulation controls both the anodic and cathodic reactions. AC impedance spectra reveal that a protective film is formed on the metal surface.

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