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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
environmental science
First report on the uptake of automobile catalyst emitted palladium by European eels (Anguilla anguilla) following experimental exposure to road dust
Environmental Pollution, Volume 113, No. 3, Year 2001
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Description
Following the introduction of automobile catalysts in the middle of the 1980s in Germany there is an increasing emission of the platinum-group-metals platinum, palladium (Pd) and rhodium. Still, it remains unclear if these metals are bioavailable for aquatic animals and to which extent they become accumulated by the aquatic biosphere. Because of analytical problems in detecting Pd in small biological samples the present investigation concentrates on the bioavailability of this metal. To answer the question of a Pd uptake by aquatic organisms experimental studies were conducted with European eels maintained in water containing road dust at a concentration of 10 kg/100 l. Following an exposure period of four weeks, samples of liver and kidney were analysed by total-reflection X-ray fluorescence analysis after co-precipitation of Pd with mercury. These experiments revealed an uptake of traffic related Pd by European eels which showed a mean liver Pd concentration of 0.18±0.05 ng/g (wet wt.), whereas the Pd concentration in the kidney ranged below the detection limit. Thus, in this study we can demonstrate for the first time that automobile catalyst emitted Pd is bioavailable for aquatic animals. Copyright © 2000 Elsevier Science Ltd.
Authors & Co-Authors
Sures, Bernd
Germany, Karlsruhe
Karlsruher Institut Für Technologie, Campus Süd
Zimmermann, Sonja
Germany, Karlsruhe
Karlsruher Institut Für Technologie, Campus Süd
Statistics
Citations: 143
Authors: 2
Affiliations: 2
Identifiers
Doi:
10.1016/S0269-7491(00)00185-8
ISSN:
02697491
Research Areas
Environmental