Experimental and theoretical study on some azo chromotropic acid dyes compounds as inhibitor for carbon steel corrosion in sulfuric acid

2021 ◽  
Author(s):  
M. M. Attia ◽  
K. A. Soliman ◽  
Salah Eid ◽  
E. M. Mabrouk
Keyword(s):  
Sulfuric Acid ◽  
Carbon Steel ◽  
Theoretical Study ◽  
Steel Corrosion ◽  
Chromotropic Acid ◽  
Acid Dyes

Inhibitory effect of Pistacia khinjuk aerial part extract for carbon steel corrosion in sulfuric acid and hydrochloric acid solutions

2019 ◽  
Vol 74 (6) ◽  
pp. 1799-1815 ◽  
Author(s):  
Nasrin Soltani ◽  
Nahid Tavakkoli ◽  
Abdolmohammad Attaran ◽  
Batoul Karimi ◽  
Maryam Khayatkashani
Keyword(s):  
Sulfuric Acid ◽  
Carbon Steel ◽  
Hydrochloric Acid ◽  
Aerial Part ◽  
Steel Corrosion ◽  
Inhibitory Effect ◽  
Acid Solutions ◽  
Hydrochloric Acid Solutions ◽  
Pistacia Khinjuk

scholarly journals Corrosion Inhibition of Carbon Steel in 0.5 M H2SO4 by Phtalocyanine Blue

2014 ◽  
Vol 2014 ◽  
pp. 1-8 ◽  
Author(s):  
J. C. Valle-Quitana ◽  
G. F. Dominguez-Patiño ◽  
J. G. Gonzalez-Rodriguez
Keyword(s):  
Sulfuric Acid ◽  
Carbon Steel ◽  
Corrosion Inhibitor ◽  
Electrochemical Impedance ◽  
Steel Corrosion ◽  
Corrosion Process ◽  
Blue Dye ◽  
Protective Film ◽  
Film Properties ◽  
Adsorption Desorption

Phthalocyanine blue dye has been investigated as a carbon steel corrosion inhibitor in 0.5 M sulfuric acid by using polarization curves, electrochemical impedance spectroscopy, and gravimetric tests. Dye concentrations included 0, 100, 200, 400, 600, 800, and 1000 ppm, whereas testing temperatures were 25, 40, and 60°C. Results indicated that phtalocyanine blue is a good corrosion inhibitor with its efficiency increasing with the concentration up to 40°C, but it increases at 60°C. Inhibitor improves the passive film properties and it forms an adherent, compact, protective film, acting, therefore, as an anodic-type inhibitor. At 25 and 40°C the corrosion process was under charge transfer, whereas at 60°C the adsorption/desorption of some species from the metal surface controlled the corrosion process.

Electrochemical and theoretical study of the inhibition effect of two synthesized thiosemicarbazide derivatives on carbon steel corrosion in hydrochloric acid solution

RSC Advances ◽  
2015 ◽  
Vol 5 (27) ◽  
pp. 20838-20847 ◽  
Author(s):  
Shirin Shahabi ◽  
Parviz Norouzi ◽  
Mohammad Reza Ganjali
Keyword(s):  
Carbon Steel ◽  
Hydrochloric Acid ◽  
Acid Solution ◽  
Hydrochloric Acid Solution ◽  
Theoretical Study ◽  
Steel Corrosion ◽  
Inhibition Effect ◽  
Thiosemicarbazide Derivatives

The inhibition effect of two synthesized thiosemicarbazide derivatives on carbon steel corrosion was studied experimentally (FFT-Voltammetry) and theoretically.

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