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Title (Primary) Determination of heavy metals in biofilms from the River Elbe by total-reflection X-ray fluorescence spectrometry
Author Friese, K.; Mages, M.; Wendt-Potthoff, K.; Neu, T.R.;
Journal Spectrochimica Acta Part B: Atomic Spectroscopy
Year 1997
Department SEEFO; FLOEK; GM;
Volume 52
Issue 7
Language englisch;
Keywords Aquatic biofilms; Heavy metals; River water quality; Total-reflection X-ray fluorescence (TXRF)
Abstract

Heavy metal contents of aquatic biofilms isolated from stones collected from, and ceramic plates exposed in, the River Elbe were determined by total-reflection X-ray fluorescence spectrometry (TXRF). The fractions of several elements (K, Ca, Cr, Mn, Fe, Ni, Cu, Zn, Pb) referred to the dry mass are 100 to 60 000-fold higher in the biofilm matrix compared with the bulk water phase. Biofilms grown on the exposed plates have a mass fraction of the determined elements higher by a factor of 2–3 compared with the biofilms derived from stones. These differences may be attributed to the different ages of the biofilms.

ID 9246
Persistent UFZ Identifier http://www.ufz.de/index.php?en=20939&ufzPublicationIdentifier=9246
Friese, K., Mages, M., Wendt-Potthoff, K., Neu, T.R. (1997):
Determination of heavy metals in biofilms from the River Elbe by total-reflection X-ray fluorescence spectrometry
Spectroc. Acta Pt. B-Atom. Spectr. 52 (7), 1019 - 1025