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Abstract:

The distribution of inorganic arsenic species in groundwater used as drinking water supply by the peri-urban and rural population from central-western area of Santa Fe Province, Argentina, was studied. An analytical methodology based on an online system of atomic absorption spectrometry with hydride generation and flow injection (FI-HGAAS) was used for total inorganic arsenic determination. For speciation purposes, the distinction between As(V) and As(III) was performed through the on line coupling of FI-HGAAS to a solid phase system based on an anionic exchanger able to retain As(V) as oxyanion, allowing As(III) to be selectively determined. The concentration of As(V) was calculated as the difference between total arsenic and As(III) concentrations. Effects of matrix interference due to the nonselective behavior of the exchange resins were carefully laid. Results for 59 samples collected from 27 localities showed an almost exclusive predominance of pentavalent forms. © 2013.

Registro:

Documento: Artículo
Título:Distribution of inorganic arsenic species in groundwater from Central-West Part of Santa Fe Province, Argentina
Autor:Sigrist, M.; Albertengo, A.; Brusa, L.; Beldoménico, H.; Tudino, M.
Filiación:Programa de Investigación y Análisis de Residuos y Contaminantes Químicos, PRINARC, Facultad de Ingeniería Química, Universidad Nacional del Litoral, Santiago del Estero 2654 Piso 6, 3000 Santa Fe, Argentina
Laboratorio de Análisis de Trazas, Departamento de Química Inorgánica, Analítica y Química Física/INQUIMAE, Facultad de Ciencias Exactas y Naturales, Pabellón II, Ciudad Universitaria, 1428 Buenos Aires, Argentina
Palabras clave:Analytical methodology; Anionic exchangers; Hydride generations; Inorganic arsenic; Matrix interference; On-line coupling; Rural population; Solid-phase systems; Arsenic; Atomic absorption spectrometry; Groundwater; Population distribution; arsenic; concentration (composition); drinking water; groundwater; ion exchange; resin; sampling; water chemistry; water pollution; Argentina; Santa Fe [Argentina]
Año:2013
Volumen:39
Página de inicio:43
Página de fin:48
DOI: http://dx.doi.org/10.1016/j.apgeochem.2013.09.018
Título revista:Applied Geochemistry
Título revista abreviado:Appl. Geochem.
ISSN:08832927
CODEN:APPGE
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08832927_v39_n_p43_Sigrist

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Citas:

---------- APA ----------
Sigrist, M., Albertengo, A., Brusa, L., Beldoménico, H. & Tudino, M. (2013) . Distribution of inorganic arsenic species in groundwater from Central-West Part of Santa Fe Province, Argentina. Applied Geochemistry, 39, 43-48.
http://dx.doi.org/10.1016/j.apgeochem.2013.09.018
---------- CHICAGO ----------
Sigrist, M., Albertengo, A., Brusa, L., Beldoménico, H., Tudino, M. "Distribution of inorganic arsenic species in groundwater from Central-West Part of Santa Fe Province, Argentina" . Applied Geochemistry 39 (2013) : 43-48.
http://dx.doi.org/10.1016/j.apgeochem.2013.09.018
---------- MLA ----------
Sigrist, M., Albertengo, A., Brusa, L., Beldoménico, H., Tudino, M. "Distribution of inorganic arsenic species in groundwater from Central-West Part of Santa Fe Province, Argentina" . Applied Geochemistry, vol. 39, 2013, pp. 43-48.
http://dx.doi.org/10.1016/j.apgeochem.2013.09.018
---------- VANCOUVER ----------
Sigrist, M., Albertengo, A., Brusa, L., Beldoménico, H., Tudino, M. Distribution of inorganic arsenic species in groundwater from Central-West Part of Santa Fe Province, Argentina. Appl. Geochem. 2013;39:43-48.
http://dx.doi.org/10.1016/j.apgeochem.2013.09.018