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Open Access Green as soon as Postprint is submitted to ZB.
Effect of Ca2+-ions on the absorption of Pb2+, Cu2+, Cd2+ and Zn2+ by humic substances.
Chemosphere 6, 207-213 (1977)
Distribution coefficients for the sorption of Pb2+, Cu2+, Cd2+ and Zn2+ by peat were determined as a function of the Ca2+-content of peat as well as of the Ca2+-concentration in the solution. The amount of heavy metal ions taken up was measured for Cu2+, Cd2+ and Zn2+ by atomic absorption spectrometry and for Pb2+ by using Pb-212 as a radioactive tracer. The results show that the distribution coefficients of the heavy metal ions increase, if one increases the initial ratio of the Ca2+ H+-ions in the peat phase. The distribution coefficients for the heavy metal ions decrease, however, if - at constant initial Ca2+-content of the peat - the Ca2+-concentration of the solution is increased.
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Publication type
Article: Journal article
Document type
Scientific Article
ISSN (print) / ISBN
0045-6535
e-ISSN
1879-1298
Journal
Chemosphere
Quellenangaben
Volume: 6,
Issue: 5,
Pages: 207-213
Publisher
Elsevier
Publishing Place
Kidlington, Oxford
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
Institute of Radiation Protection (ISS)