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Fractionation of trace metals in a contaminated freshwater stream using membrane filtration, ultrafiltration, DGT and transplanted aquatic moss
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Geovetenskap och miljöteknik.
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Geovetenskap och miljöteknik.ORCID-id: 0000-0002-4732-7348
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Geovetenskap och miljöteknik.ORCID-id: 0000-0003-2276-0564
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2012 (engelsk)Inngår i: Geochemistry: Exploration, Environment, Analysis, ISSN 1467-7873, E-ISSN 2041-4943, Vol. 12, nr 4, s. 303-312Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Four metal speciation and fractionation techniques – DGT (diffusive gradients in thin films), 1-kDa ultrafiltration, 0.22-µm membrane filtration and aquatic moss – were simultaneously applied to a small, contaminated freshwater stream in northern Sweden to investigate differences and similarities between the methods regarding trace metal speciation and their dependence on geochemical water properties. The investigated metals comprise Al, Cd, Co, Cu, Fe, Mn, Ni, and Zn. The normal DGT devices with Chelex cation exchanger were used. Shoots from the aquatic moss Fontinalis antipyretica L ex Hedw. were collected in a non-polluted brook and transplanted to the sampling site for exposure. It was evident that 0.22-µm membrane filtration, 1-kDa ultrafiltration and DGT generally measured different metal fractions where

sted, utgiver, år, opplag, sider
2012. Vol. 12, nr 4, s. 303-312
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Forskningsprogram
Tillämpad geologi; Landskapsekologi
Identifikatorer
URN: urn:nbn:se:ltu:diva-13620DOI: 10.1144/geochem2012-125ISI: 000311220500005Scopus ID: 2-s2.0-84872954463Lokal ID: cde96f6a-bc6e-438b-9e7d-88ade900608dOAI: oai:DiVA.org:ltu-13620DiVA, id: diva2:986573
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Validerad; 2012; 20121213 (ysko)

Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2019-11-22bibliografisk kontrollert

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