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Boletín de la Sociedad Española de Cerámica y Vidrio
Article . 2004 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
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Estudio de la corrosión del cobre por vapores de ácido acético al 40 y 80 % de humedad relativa

Study of copper corrosion by acetic acid vapours at 40 and 80% relative humidities
Authors: Cano, E.; Simancas, J.; Narváez, L.; Bastidas, J. M.;

Estudio de la corrosión del cobre por vapores de ácido acético al 40 y 80 % de humedad relativa

Abstract

[ES] En la actualidad hay un gran interés por estudiar la corrosión ocasionada por contaminantes existentes en atmósferas interiores, fundamentalmente ácidos orgánicos. De entre ellos, el más importante es el ácido acético. En este trabajo se ha estudiado la corrosión del cobre por exposición a vapores de ácido acético, a tres concentraciones (10, 100 y 300 ppm), a humedades relativas (HR) del 40 y 80 % y con un tiempo de exposición de 21 días. La velocidad de corrosión se ha cuantificado por métodos gravimétricos, obteniendo velocidades de corrosión de entre 0,08 y 0,17 mg/(dm2·día) (mdd) para el 40 % HR, y entre 0,11 y 6,53 mdd para el 80 % HR. Los productos de corrosión se han caracterizado por espectroscopía fotoelectrónica de rayos X (XPS) combinada con decapado por iones Argón. Los principales productos de corrosión encontrados fueron cuprita [Cu2O], hidróxido de cobre [Cu(OH)2] y acetato de cobre [Cu(CH3COO)2].

[EN] Recently, there has been an increasing interest in the study of corrosion originated by pollutants in indoor environments, mainly organic acids. Amongst them, the most important is acetic acid. Copper corrosion originated by acetic acid vapours has been studied in this work, at three vapour concentrations (10, 100, and 300 ppm), at 40% and 80% relative humidity (RH) for a period of 21 days. Corrosion rate, obtained using gravimetric methods, was in the range from 0.08 to 0.17 mg/(dm2·day) (mdd) for 40% RH and from 0.11 to 6.53 mdd for 80% RH. Corrosion products have been studied using X-ray photoelectron spectroscopy (XPS), and argon-ion sputtering techniques. The main compounds found were cuprite [Cu2O], copper hydroxide [Cu(OH)2] and copper acetate [Cu(CH3COO)2].

Peer reviewed

Keywords

Corrosion en interiores, Clay industries. Ceramics. Glass, Acetic acid, ácido acético, Ácido acético, TP785-869, acetic acid, Cobre, copper, cobre, Organic acids, organic acids, ácidos orgánicos, Indoor corrosion, Corrosión en interiores, Ácidos orgánicos, Copper

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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