Artículo
Magdaleno, A.; De Rosa, E. "Chemical composition and toxicity of waste dump leachates using Selenastrum capricornutum printz (chlorococcales, chlorophyta)" (2000) Environmental Toxicology. 15(2):76-80
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Abstract:
Chemical composition and toxicity of leachates from a municipal waste dump in Buenos Aires Province were analyzed. Three sets of samples, obtained in 1996 and 1997, were compared. Levels of nitrogen, phosphorus, and organics (expressed as COD) were distinctly lower in 1997. Such differences were mainly attributed to higher rainfall in that year. The Selenastrum capricornutum assay showed a high sensitivity to heavy metals (Cd =0.049 mg L-1; Cr hexavalent = 0.247 mg L-1 and Zn = 0.037 mg L -1). Cu, Zn, and Pb concentrations were toxic to algae in leachate samples of the first year, while the EC50 leachates were slightly toxic (86.6 and 99.31%). Most likely, high levels of organics (COD = 4640 and 3470 mg L-1) form complex mixtures with metals reducing their toxicity. The EC50 leachate = 48.5% in the last year may be explained by high conctrations of Pb and Cu. © 2000 by John Wiley and Sons, Inc.
Registro:
| Documento: | Artículo |
| Título: | Chemical composition and toxicity of waste dump leachates using Selenastrum capricornutum printz (chlorococcales, chlorophyta) |
| Autor: | Magdaleno, A.; De Rosa, E. |
| Filiación: | Depto. de Ciencias Biolögicas, Fac. de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina |
| Palabras clave: | Heavy metals; Leachates; Selenastrum; Toxicity; Waste dump; cadmium; chromium derivative; heavy metal; lead; nitrogen; organic compound; phosphorus; rain; zinc; alga; Argentina; article; chemical composition; complex formation; controlled study; dumping; ecotoxicity; nonhuman; priority journal; waste disposal; algae; Chlorococcales; Chlorophyta; Gadus morhua; Selenastrum; Selenastrum capricornutum |
| Año: | 2000 |
| Volumen: | 15 |
| Número: | 2 |
| Página de inicio: | 76 |
| Página de fin: | 80 |
| DOI: | http://dx.doi.org/10.1002/(SICI)1522-7278(2000)15:2<76::AID-TOX2>3.0.CO;2-X |
| Título revista: | Environmental Toxicology |
| Título revista abreviado: | Environ. Toxicol. |
| ISSN: | 15204081 |
| CAS: | cadmium, 22537-48-0, 7440-43-9; lead, 7439-92-1; nitrogen, 7727-37-9; phosphorus, 7723-14-0; zinc, 7440-66-6 |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15204081_v15_n2_p76_Magdaleno |
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Citas:
---------- APA ----------
Magdaleno, A. & De Rosa, E. (2000) . Chemical composition and toxicity of waste dump leachates using Selenastrum capricornutum printz (chlorococcales, chlorophyta). Environmental Toxicology, 15(2), 76-80.http://dx.doi.org/10.1002/(SICI)1522-7278(2000)15:2<76::AID-TOX2>3.0.CO;2-X
---------- CHICAGO ----------
Magdaleno, A., De Rosa, E. "Chemical composition and toxicity of waste dump leachates using Selenastrum capricornutum printz (chlorococcales, chlorophyta)" . Environmental Toxicology 15, no. 2 (2000) : 76-80.http://dx.doi.org/10.1002/(SICI)1522-7278(2000)15:2<76::AID-TOX2>3.0.CO;2-X
---------- MLA ----------
Magdaleno, A., De Rosa, E. "Chemical composition and toxicity of waste dump leachates using Selenastrum capricornutum printz (chlorococcales, chlorophyta)" . Environmental Toxicology, vol. 15, no. 2, 2000, pp. 76-80.http://dx.doi.org/10.1002/(SICI)1522-7278(2000)15:2<76::AID-TOX2>3.0.CO;2-X
---------- VANCOUVER ----------
Magdaleno, A., De Rosa, E. Chemical composition and toxicity of waste dump leachates using Selenastrum capricornutum printz (chlorococcales, chlorophyta). Environ. Toxicol. 2000;15(2):76-80.http://dx.doi.org/10.1002/(SICI)1522-7278(2000)15:2<76::AID-TOX2>3.0.CO;2-X
