High resolution characterization of uranium in sediments by DGT and DET techniques ACA-S-12-2197

0386122 - ÚIACH 2013 RIV NL eng J - Článek v odborném periodiku
Gregušová, Michaela - Dočekal, Bohumil
High resolution characterization of uranium in sediments by DGT and DET techniques ACA-S-12-2197.
Analytica Chimica Acta. Roč. 763, FEB 6 (2013), s. 50-56. ISSN 0003-2670. E-ISSN 1873-4324
Grant CEP: GA ČR GAP503/10/2002
Institucionální podpora: RVO:68081715
Klíčová slova: Diffusive gradient in thin films technique * Diffusive equilibrium technique * Uranium * Sediment
Kód oboru RIV: CB - Analytická chemie, separace
Impakt faktor: 4.517, rok: 2013
http://www.scopus.com/record/display.url?fedsrfIntegrator=COSMADRALI-SCOCIT&origin=fedsrf&view=basic&eid=2-s2.0-84872594514

Diffusive equilibrium (DET) and diffusive gradient in thin film (DGT) techniques with an inductively coupled plasma mass spectrometry detection of elements were applied to characterize uranium, manganese, iron and 238U/235U isotopic ratio depth profiles in sediment pore water at high spatial resolution and to monitor uranium uptake/remobilization processes in uranium spiked sediment core samples under laboratory, well controlled conditions. Modified constrained sediment DGT probes, packed with Spheron- Oxin® resin gel, were employed for selective uranium measurements. Spatially resolved DET and DGT responses were indicative of local redistribution of uranium in naturally uranium poor and rich sediments.
Trvalý link: http://hdl.handle.net/11104/0217074