Corrosion Inhibition by Beet Root Extract

  • Selvi J
  • Rajendran S
  • Sri V
  • et al.
N/ACitations
Citations of this article
49Readers
Mendeley users who have this article in their library.

Abstract

The inhibition efficiency (IE) of an aqueous extract of beet root (BR) in controlling corrosion of carbon steel in well water in the absence and presence of Zn 2+ has been evaluated by mass loss method. The formulation consisting of 4 mL of BR extract and 50 ppm Zn 2+ offers 98% inhibition efficiency to carbon steel immersed in well water. A synergistic effect exists between BR extract and Zn 2+. Addition of N-Cetyl-N,N,N-trimethylammonium bromide (CTAB) does not change the excellent inhibition efficiency of the BR-Zn 2+ system. The BR-Zn 2+ system shows excellent IE up to 7 days. Polarization study reveals that this formulation controls the cathodic reaction predominantly. AC impedance spectra reveal that a protective film is formed on the metal surface. FTIR spectra reveal that the protective film consists of Fe 2+-betanin complex and Zn(OH) 2. The film is found to be UV-fluorescent.

Cite

CITATION STYLE

APA

Selvi, J. A., Rajendran, S., Sri, V. G., Amalraj, A. J., & Narayanasamy, B. (2009). Corrosion Inhibition by Beet Root Extract. Portugaliae Electrochimica Acta, 27(1), 1–11. https://doi.org/10.4152/pea.200901001

Register to see more suggestions

Mendeley helps you to discover research relevant for your work.

Already have an account?

Save time finding and organizing research with Mendeley

Sign up for free