Abstract:
Humic substances (HS) were isolated from the sediments of Lobos Pond (Argentina) using mild conditions to preserve their native structure. The HS (humic and fulvic acids) were characterized by means of elemental analysis and FTIR spectroscopy. Also a by-product obtained during fulvic acids (FA) fractionation (an amorphous white solid residue) was analyzed. Results revealed possible interactions between FA and inorganic-organic substances that may have implications referring to bioavailability. Other limnological implications, such as autochtonous origin of HS linked with the hydrology, and change of pH during stormy weather that affects HS interactions, are discussed.
Registro:
Documento: |
Artículo
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Título: | Humic substances from sediments of Lobos Pond (Argentina). Isolation, characterization and limnological implications |
Autor: | Choconi, R.G.; Ghini, A.A.; Conzonno, V.H.; Cirelli, A.F. |
Filiación: | Centro de Estudios Trandisciplinarios del Agua, Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, Av. Chorroarín 280, (C1427CWO) Ciudad de Buenos Aires, Argentina Centro de Formación e Investigación en Enseñanza de Las Ciencias (CEFIEC), Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, (C1428EGA) Ciudad de Buenos Aires, Argentina UMYMFOR (CONICET-UBA), Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, (C1428EGA) Ciudad de Buenos Aires, Argentina Laboratorio de Investigación de Sistemas Ecológicos y Ambientales (LISEA), Museo de Ciencias Naturales, Paseo del Bosque s/n. (1900) La Plata, Provincia de Buenos Aires, Argentina
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Palabras clave: | Argentina; Humic substances; Isolation; Pampasic ponds; Sediment |
Año: | 2011
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Volumen: | 36
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Número: | 2
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Página de inicio: | 128
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Página de fin: | 141
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DOI: |
http://dx.doi.org/10.1590/S0100-46702011000200007 |
Título revista: | Ecletica Quimica
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Título revista abreviado: | Ecletica Quim.
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ISSN: | 01004670
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PDF: | https://bibliotecadigital.exactas.uba.ar/download/paper/paper_01004670_v36_n2_p128_Choconi.pdf |
Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01004670_v36_n2_p128_Choconi |
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Citas:
---------- APA ----------
Choconi, R.G., Ghini, A.A., Conzonno, V.H. & Cirelli, A.F.
(2011)
. Humic substances from sediments of Lobos Pond (Argentina). Isolation, characterization and limnological implications. Ecletica Quimica, 36(2), 128-141.
http://dx.doi.org/10.1590/S0100-46702011000200007---------- CHICAGO ----------
Choconi, R.G., Ghini, A.A., Conzonno, V.H., Cirelli, A.F.
"Humic substances from sediments of Lobos Pond (Argentina). Isolation, characterization and limnological implications"
. Ecletica Quimica 36, no. 2
(2011) : 128-141.
http://dx.doi.org/10.1590/S0100-46702011000200007---------- MLA ----------
Choconi, R.G., Ghini, A.A., Conzonno, V.H., Cirelli, A.F.
"Humic substances from sediments of Lobos Pond (Argentina). Isolation, characterization and limnological implications"
. Ecletica Quimica, vol. 36, no. 2, 2011, pp. 128-141.
http://dx.doi.org/10.1590/S0100-46702011000200007---------- VANCOUVER ----------
Choconi, R.G., Ghini, A.A., Conzonno, V.H., Cirelli, A.F. Humic substances from sediments of Lobos Pond (Argentina). Isolation, characterization and limnological implications. Ecletica Quim. 2011;36(2):128-141.
http://dx.doi.org/10.1590/S0100-46702011000200007