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Investigation of extraction methods for the assessment of the pseudo-total concentration of potentially toxic elements in moderately contaminated soils of Central Greece

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doi: 10.1007/s11270-020-04849-8
Authors:Golia, Evangelia E.; Tsiropoulos, Nikolaos G.; Vleioras, Sryridon; Antoniadis, Vasileios
Author Affiliations:Primary:
University of Thessaly, Department of Agriculture Crop Production and Rural Environment, Volos, Greece
Regional Plant Protection Center and Quality Control of Volos, Volos, Greece
Volume Title:Water, Air and Soil Pollution
Source:Water, Air and Soil Pollution, 231(9). Publisher: Springer, Dordrecht, Netherlands. ISSN: 0049-6979
Publication Date:2020
Note:In English. 52 refs.; illus.
Summary:The aim of this research was the investigation of the effectiveness of several extractants as possible assessment of pseudo-total As, Pb and Cu concentrations in moderately contaminated soils of Central Greece. In soils of 3 different land uses (forest, agricultural and industrial), various extraction procedures were performed using simple and low-cost extraction solutions, i.e. inorganic acids (HCl and H3PO4), salts (NH4NO3 and CH3COONH4), organic chelating agents (as ethylenediaminetetraacetic acid (EDTA) and diethylenetriaminepentaacetic acid (DTPA)) and an alkaline agent (NaOH). The findings were reported as percentages to their pseudo-total concentrations obtained using Aqua Regia. The species of As (III), As (V) and total As(T) were extracted. Higher percentages of As concentrations were extracted using H3PO4 concluding that this may be the most effective of the extractants used. On the other hand, the percentages of the EDTA-extracted Pb and Cu, in forest soils with high organic matter content, were the highest. In forest soils, also, satisfactory correlations between EDTA-extracted Pb and Cu versus their pseudo-total content were observed. Finally, significant correlations among As, Pb and Cu concentrations in some soil extracts and soil physicochemical parameters were obtained, suggesting that the extractability of As, Pb and Cu may depend upon soil characteristics in the study area.
Subjects:Agricultural waste; Arsenic; Carboxylic acids; Concentration; Copper; EDTA; Forest soils; Heavy metals; Land use; Lead; Metals; Organic acids; Organic compounds; Pollution; Soil pollution; Soils; Toxic materials; Waste disposal; Europe; Greece; Southern Europe; Sterea Ellas
Record ID:888013-23
Copyright Information:GeoRef, Copyright 2021 American Geosciences Institute. Reference includes data supplied by Springer Verlag, Berlin, Federal Republic of Germany
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