Estimation of Cadmium uptake by tobacco plants from laboratory leaching tests
| Autor: | Antonije Onjia, Mihajlo Jović, Jelena Markovic, Marija Z. Šljivić-Ivanović, Slavko Smiljanić, Aleksandar Popović, Ivana Smičiklas |
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| Rok vydání: | 2018 |
| Předmět: |
Environmental Engineering
single leaching single leaching tests chemistry.chemical_element Biological Availability 010501 environmental sciences 01 natural sciences complex mixtures native and polluted soil Soil Predictive Value of Tests Tobacco Humans Soil Pollutants sequential extraction plant uptake Leaching (agriculture) 0105 earth and related environmental sciences Pollutant Cadmium Toxicity characteristic leaching procedure Transfer factor Extraction (chemistry) 04 agricultural and veterinary sciences General Medicine Contamination Models Theoretical tobacco plant Bioavailability Cd speciation chemistry 13. Climate action Environmental chemistry 040103 agronomy & agriculture 0401 agriculture forestry and fisheries pseudo-total digestion bioavailability soil-plant transfer factor |
| Zdroj: | Journal of Environmental Science and Health. Part A: Toxic Hazardous Substances and Environmental En Journal of Environmental Science and Health Part A-Toxic/Hazardous Substances & Environmental Engine Journal of Environmental Science and Health, Part A |
| ISSN: | 1093-4529 |
| Popis: | The objective of the present study was to determine the impact of cadmium (Cd) concentration in the soil on its uptake by tobacco plants, and to compare the ability of diverse extraction procedures for determining Cd bioavailability and predicting soil-to-plant transfer and Cd plant concentrations. The pseudo-total digestion procedure, modified Tessier sequential extraction and six standard single-extraction tests for estimation of metal mobility and bioavailability were used for the leaching of Cd from a native soil, as well as samples artificially contaminated over a wide range of Cd concentrations. The results of various leaching tests were compared between each other, as well as with the amounts of Cd taken up by tobacco plants in pot experiments. In the native soil sample, most of the Cd was found in fractions not readily available under natural conditions, but with increasing pollution level, Cd amounts in readily available forms increased. With increasing concentrations of Cd in the soil, the quantity of pollutant taken up in tobacco also increased, while the transfer factor (TF) decreased. Linear and non-linear empirical models were developed for predicting the uptake of Cd by tobacco plants based on the results of selected leaching tests. The non-linear equations for ISO 14870 (diethylenetriaminepentaacetic acid extraction - DTPA), ISO/TS 21268-2 (CaCl2 leaching procedure), US EPA 1311 (toxicity characteristic leaching procedure - TCLP) single step extractions, and the sum of the first two fractions of the sequential extraction, exhibited the best correlation with the experimentally determined concentrations of Cd in plants over the entire range of pollutant concentrations. This approach can improve and facilitate the assessment of human exposure to Cd by tobacco smoking, but may also have wider applicability in predicting soil-to-plant transfer. This is the peer-reviewed version of the following article: Marković, J. P.; Jović, M. D.; Smičiklas, I. D.; Šljivić-Ivanović, M. Z.; Smiljanić, S. N.; Onjia, A. E.; Popović, A. R. Estimation of Cadmium Uptake by Tobacco Plants from Laboratory Leaching Tests. Journal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering 2018, 53 (4), 352–361. [https://doi.org/10.1080/10934529.2017.1401396] |
| Databáze: | OpenAIRE |
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