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Carpathian Journal of Earth and Environmental Sciences

An International Peer-Reviewed Open Access Journal

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Home » Past Issues » Volume 20, 2025 - Number 2 » ASSESSMENT OF Co, Cu, Zn, As AND Cd BIOAVAILABILITY AT SELECTED EUROPEAN Cu-DEPOSITS, COMPARATIVE ENVIRONMENTAL AND GEOCHEMICAL STUDY, Carpathian Journal of Earth and Environmental Sciences August 2025 Vol. 20, No. 2, p. 265 – 272; DOI:10.26471/cjees/2025/020/331

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ARTICLE IN » Volume 20, 2025 - Number 2

ASSESSMENT OF Co, Cu, Zn, As AND Cd BIOAVAILABILITY AT SELECTED EUROPEAN Cu-DEPOSITS, COMPARATIVE ENVIRONMENTAL AND GEOCHEMICAL STUDY



Janka ŠEVČÍKOVÁ1,*, Pavol MIDULA2, Ján SPIŠIAK1, Jarmila KMEŤOVÁ1, Ján TOMAŠKIN1, Sherif KHARBISH3, Ahmed Mohammed ELDOSOUKY3, Jana JANŠTOVÁ4, & Ingrid TURISOVÁ1
1Faculty of Natural Science, Matej Bel University, Tajovského 40, 974 01 Banská Bystrica, Slovakia; janka.sevcikova@umb.sk; jan.spisiak@umb.sk; jarmila.kmetova@umb.sk; jan.tomaskin@umb.sk; ingrid.turisova@umb.sk
2Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamýcká 129,165 00 Praha - Suchdol Czechia , midula@af.czu.cz
3Faculty of Science, Suez University, Suez, 43518, Egypt, sherif.kharbish@suezuni.edu.eg; ahmed.eldosouky@sci.suezuni.edu.eg
4Slovak Environment Agency, Tajovského 28, 974 01 Banská Bystrica, Slovakia, jana.janstova@sazp.sk
*Corresponding author: janka.sevcikova@umb.sk

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Abstract

DOI: 10.26471/cjees/2025/020/331

The article presents the results of a study of the contamination of heaps with potentially toxic elements, focused on Co, Cu, Zn, As, and Cd, their bioavailability in the area at selected European abandoned Cu-deposits: Špania Dolina (Slovakia), Libiola, Caporciano (Italy), and São Domingos (Portugal). The content of studied metals at selected heaps often exceeds the limits of national and EU legislation. The bioavailability was studied using three-step sequential extraction, using distilled water (step I), ammonium acetate (step II) and citric acid (step III). The best bioavailable elements are Cu, Cd, and Zn. Cobalt and As are less released during the leaching into the solution. The article discusses also the main environmental problems at the individual deposits and suggests possible solutions.
Keywords:
  • contamination
  • potentially
  • toxic
  • elements
  • heap
  • bioavailable
  • fractions

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© 2025 by the author(s). Licensee CJEES, Carpathian Association of Environment and Earth Sciences. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

How to cite

Janka ŠEVČÍKOVÁ, Pavol MIDULA, Ján SPIŠIAK, Jarmila KMEŤOVÁ, Ján TOMAŠKIN, Sherif KHARBISH, Ahmed Mohammed ELDOSOUKY, Jana JANŠTOVÁ, & Ingrid TURISOVÁ (2025). ASSESSMENT OF Co, Cu, Zn, As AND Cd BIOAVAILABILITY AT SELECTED EUROPEAN Cu-DEPOSITS, COMPARATIVE ENVIRONMENTAL AND GEOCHEMICAL STUDY, Carpathian Journal of Earth and Environmental Sciences August 2025 Vol. 20, No. 2, p. 265 – 272; https://doi.org/10.26471/cjees/2025/020/331

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