Electrochemical investigation of the inhibiting properties of 2-propyn-1-ol on carbon steel in hydrochloric acid

T. Kristóf, T. Salamon

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

The effect of propargyl alcohol (2-propyn-1-ol) on the corrosion of carbon steel was studied in hydrochloric acid solutions of various concentrations (1, 2, 5%) at 40°C and 60°C. The rate of corrosion was measured electrochemically using a polarisation technique. The results obtained showed that the rate of dissolution of carbon steel is considerably decreased by propargyl alcohol in aqueous hydrochloric acid solutions at 40°C and 60°C. Capacitance measurements indicated that the inhibitor species are adsorbed to the steel-solution interface to a greater extent in the range of negative polarisations. On the basis of impedance spectroscopy measurements the characteristics of the adsorption were separated from those of the electron transfer process. It was established that the chemical processes play an important role in the protecting effect of the inhibitor.

Original languageEnglish
Pages (from-to)519-522
Number of pages4
JournalMaterials and Corrosion
Volume41
Issue number9
Publication statusPublished - Sep 1990

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Hydrochloric Acid
hydrochloric acid
Hydrochloric acid
Carbon steel
steel
corrosion
alcohol
inhibitor
carbon
Alcohols
polarization
Polarization
Corrosion
Capacitance measurement
Steel
chemical process
Dissolution
spectroscopy
dissolution
Spectroscopy

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Electrochemical investigation of the inhibiting properties of 2-propyn-1-ol on carbon steel in hydrochloric acid. / Kristóf, T.; Salamon, T.

In: Materials and Corrosion, Vol. 41, No. 9, 09.1990, p. 519-522.

Research output: Contribution to journalArticle

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