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On the reliability of electrochemical impedance spectroscopy (E.I.S.) technique for the evaluation of iron corrosion rate in inhibited acid solutions
Author(s) -
Frignani A.,
Tassinari M.,
Monticelli C.,
Trabanelli G.
Publication year - 1991
Publication title -
materials and corrosion
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.487
H-Index - 55
eISSN - 1521-4176
pISSN - 0947-5117
DOI - 10.1002/maco.19910420504
Subject(s) - tafel equation , dielectric spectroscopy , corrosion , reliability (semiconductor) , electrical impedance , amplitude , electrochemistry , materials science , chemistry , analytical chemistry (journal) , inorganic chemistry , metallurgy , physics , engineering , electrical engineering , thermodynamics , optics , chromatography , electrode , power (physics)
This paper discusses the reliability of the E.I.S. technique for the evaluation of the corrosion rate of iron in 1 N H 2 SO 4 in the presence of different organic inhibitors. Besides the B value from Tafel slopes, the effect of low amplitude, low frequency potential perturbations is presented, too.