Chemical Composition of the Copper/Benzotriazole Interface in the Presence of Acetic Acid Vapour at Low Humidities | Zendy

Eusebio Cano Carmona | Zendy; David M. Bastidas | Zendy; J. Simancas | Zendy; J. A. López-Caballero | Zendy; J. M. Bastidas | Zendy

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Chemical Composition of the Copper/Benzotriazole Interface in the Presence of Acetic Acid Vapour at Low Humidities

Author(s) -

Eusebio Cano Carmona,

David M. Bastidas,

J. Simancas,

J. A. López-Caballero,

J. M. Bastidas

Publication year - 2004

Publication title -

adsorption science and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.682

H-Index - 36

eISSN - 2048-4038

pISSN - 0263-6174

DOI - 10.1260/0263617042879447

Subject(s) - benzotriazole , copper , chemistry , cuprite , acetic acid , x ray photoelectron spectroscopy , inorganic chemistry , nuclear chemistry , hydroxide , relative humidity , organic chemistry , chemical engineering , physics , engineering , thermodynamics

Studies were made of the chemical composition of the copper products formed at 43, 58 and 78% relative humidity (RH) in contaminated (10-ppm acetic acid vapour) and uncontaminated environments in the presence and absence of the volatile corrosion inhibitor benzotriazole (BTA) for 7 d at 30°C. Such studies were conducted using X-ray photoelectron spectroscopy (XPS). General XPS spectra over a wide binding energy region showed C and O peaks in addition to those corresponding to the different copper compounds. Copper specimens exposed to acetic acid vapour in the presence of BTA also exhibited N emissions. The main compounds formed were cuprite (Cu2O), copper hydroxide [Cu(OH 2], copper acetate and copper-benzotriazole (Cu-BTA) complexes.Peer Reviewe

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