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Revista internacional de contaminación ambiental
versión impresa ISSN 0188-4999
Resumen
FUENTES RIVAS, Rosa María; RAMOS LEAL, José Alfredo; JIMENEZ MOLEON, María del Carmen y ESPARZA SOTO, Mario. Characterization of the dissolved organic matter in groundwater from the Toluca valley by 3-D fluorescence spectrophotometry. Rev. Int. Contam. Ambient [online]. 2015, vol.31, n.3, pp.253-264. ISSN 0188-4999.
Organic matter in water consists of thousands of components, including macroscopic particles, colloids or dissolved macromolecules. Characterization of dissolved organic matter in drinking water is essential to establish its physical-chemical properties and water pollution index. In this work, the dissolved organic matter from 49 groundwater sources from the Toluca-Lerma industrial area (Toluca Valley, Toluca, Estado de México) were characterized by chemical oxygen demand (COD) and by 3-D fluorescence spectrophotometry. According to the results, 100 % of the samples had COD values between 1 and 35 mg/L. It was assumed the possible interference from inorganic material on the COD results. Approximately 60 % of the fluorescence samples showed organic matter contamination from anthropogenic origin.
Palabras llave : humic acids; fulvic acids; aromatic proteins; chemical oxygen demand; anthropogenic pollution.