Journal
JOURNAL OF ENVIRONMENTAL SCIENCES
Volume 65, Issue -, Pages 153-161Publisher
SCIENCE PRESS
DOI: 10.1016/j.jes.2017.03.021
Keywords
Aluminium; Aluminium-fluoride complexes; Soil; Betula pendula; Plant parts; Speciation analysis
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Funding
- National Science Centre, Poland [DEC-2012/07/D/NZ8/01030]
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The research presents the first results of aluminium speciation analysis in aqueous extracts of individual plant parts of Betula pendula and soil samples, using High Performance Ion Chromatography with Diode Array Detection (HPIC-DAD). The applied method allowed us to carry out a full speciation analysis of aluminiumin the form of predominant aluminium-fluoride complexes: AlF(x = 2,3,4)(3 - x) (first analytical signal), AlF2+ (second analytical signal) and Al3+ (third analytical signal) in samples of lateral roots, tap roots, twigs, stem, leaf and soil collected under roots of B. pendula. Concentrations of aluminium and its complexes were determined for two types of environment characterised by different degree of human impact: contaminated site of the Chemical Plant in Lubon and protected area of the Wielkopolski National Park. For all the analysed samples of B. pendula and soil, AlF(x = 2,3,4)(3 - x) had the largest contribution, followed by Al3+ and AlF2+. Significant differences in concentration and contribution of Al-F complexes and Al3+ form, depending on the place of sampling (different anthropogenic pressure) and plant part of B. pendula were observed. Based on the obtained results, it was found that transport of aluminium is blocked by lateral roots, and is closely related to Al content of soil. (C) 2017 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V.
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