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Title: Salvia officinalis L. honey as corrosion inhibitor for CuNiFe alloy in sodium chloride solution
Authors: Vrsalović, L
Gudić, S
Kliškić, M
Keywords: Corrosion Inhibition;CuNiFe Alloy;Electrochemical Impedance;Honey;Polarization
Issue Date: Mar-2012
Publisher: NISCAIR-CSIR, India
Abstract: Salvia officinalis L. honey has been tested as inhibitor for the corrosion of CuNiFe alloy in 0.5 M NaCl solution by electrochemical measurements. The honey solutions are prepared in different concentrations, such as 400, 600, 800, 1000 and 1200 ppm. Polarization curves show that the honey acts as mixed corrosion inhibitor, and the inhibition efficiency increases with an increase in honey concentration. The maximum corrosion inhibition efficiency of approximately 70 % is achieved with the highest inhibitor concentration (1200 ppm of honey). Changes in impedance parameters are indicative of adsorption of honey compounds on the metal surface. The adsorption of natural honey on the CuNiFe alloy follows the Langmuir adsorption isotherm.
Page(s): 96-102
ISSN: 0975-0991 (Online); 0971-457X (Print)
Appears in Collections:IJCT Vol.19(2) [March 2012]

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