Chemical characterization of blue stains in domestic fixtures in contact with drinking water

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dc.contributor.authorLetelier, Maria V.
dc.contributor.authorLagos, Gustavo E.
dc.contributor.authorReyes, Arturo
dc.date.accessioned2025-01-21T01:05:08Z
dc.date.available2025-01-21T01:05:08Z
dc.date.issued2008
dc.description.abstractBluish green staining in domestic fixtures was observed in three to 9-year-old houses in the city of Talca, located 256 km. south of Santiago, the capital of Chile. The houses contained copper pipes which were exposed to soft well water, with low pH and low buffer capacity. The aim of this paper is to establish the chemical composition of the stains and to determine the conditions by which they were formed. X-ray diffraction analysis of the stains revealed the presence of malachite, a copper compound that caused green coloring in kettles and water boilers. Dioptase, which is deep green in coloring, was identified in a bathtub tile. In one house, where blue stains were found in a toilet bowl, the presence of chrysocolla was suggested by means of X-ray fluorescence. In the field conditions studied it was concluded that the bluish green stains in bathroom home appliances were generated by the precipitation of copper compounds in places were leakages occur.
dc.fuente.origenWOS
dc.identifier.doi10.1007/s10661-007-9836-6
dc.identifier.eissn1573-2959
dc.identifier.issn0167-6369
dc.identifier.urihttps://doi.org/10.1007/s10661-007-9836-6
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/95833
dc.identifier.wosidWOS:000253754000025
dc.issue.numero1-3
dc.language.isoen
dc.pagina.final315
dc.pagina.inicio307
dc.revistaEnvironmental monitoring and assessment
dc.rightsacceso restringido
dc.subjectblue stains
dc.subjectby-products release
dc.subjectcopper corrosion products
dc.subjectdrinking water
dc.subjectstain in domestic fixtures
dc.titleChemical characterization of blue stains in domestic fixtures in contact with drinking water
dc.typeartículo
dc.volumen139
sipa.indexWOS
sipa.trazabilidadWOS;2025-01-12
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