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Tin and Antimony as Soil Pollutants along Railway Lines—A Case Study from North-Western Croatia

Stančić, Zvjezdana; Fiket, Željka; Vuger, Andreja (2022) Tin and Antimony as Soil Pollutants along Railway Lines—A Case Study from North-Western Croatia. Environments, 9 (1). p. 10. ISSN 2076-3298

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The aim of this study was to determine the extent and patterns of antimony and tin contamination in soils along railway lines, as there are very few data in the literature on this subject. The study was conducted in north-western Croatia. Total and bioavailable concentrations of Sn and Sb were detected using high resolution inductively coupled plasma mass spectrometry (HR-ICP-MS). The following results were obtained: total concentrations of Sb ranged from 0.98 to 52.0 mg/kg and of Sn from 3.04 mg/kg to 97.6 mg/kg. The soil samples showed pronounced Sb and Sn enrichment, up to 87 and 33 times the median value for European soils, respectively. In contrast to the total concentrations, the bioavailable concentrations showed relatively low values. For Sn, the percentage of total content ranged from 0.001 to 0.021%, while for Sb it ranged from 0.001 to 0.136%. Statistical data analysis suggests that the distribution of Sb and Sn in soils near railway lines is influenced by the functional use of the site, distance from the tracks, topography, age of the railway line, and also by soil properties such as soil texture, humus content, and soil pH. This study demonstrates that rail transport is a source of soil pollution with Sn and Sb. The origin of Sb and Sn enrichment is abrasion by brakes, rails, wheels, freight losses, exhaust gasses, etc. Both elements in soils along railway lines pose an environmental risk to humans, agricultural production, and wildlife, and therefore further detailed studies are required.

Item Type: Article
Uncontrolled Keywords: antimony; tin; railway; soil; pollution; bioavailability; Croatia
Subjects: NATURAL SCIENCES > Interdisciplinary Natural Sciences
Divisions: Division for Marine and Enviromental Research
Depositing User: Kristina Ciglar
Date Deposited: 06 Apr 2022 20:55
DOI: 10.3390/environments9010010

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