Speciation of lead in soils and relation with its concentration in fruits
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Date
2000-04-20
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Publisher
Elsevier Science BV
Abstract
The lead concentrations of the fruit samples were determined by using slotted tube atom trap (STAT)-enrichment-flame and graphite furnace atomic absorption spectrometry (FAAS and GF-AAS). The soil samples related to these fruits were also analysed for Pb after extraction with various chemical reagents. The relation between the fruit-lead and soil-extractable lead concentrations was examined in order to explain the bioavailability of lead. A linear relation was observed between the hot Na(2)EDTA extraction-soluble Pb contents in the soil and the Pb concentrations in the mulberry (R-2=0.95), strawberry and apple grown on these soils. Probable chemical forms of lead in soil were evaluated. Acceptable agreement (at least 91%) was achieved between the results of STAT-enrichment-FAAS and GF-AAS. (C) 2000 Elsevier Science B.V. All rights reserved.
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Keywords
Speciation, Lead, Soil, Fruit, Atomic-absorption spectrometry, Activated-carbon enrichment, Trace-element speciation, Chemical modifier, Sea-water, Vegetables, Cadmium, Preconcentration, Palladium, Vanadium
Citation
Yaman, M. vd. (2000). "Speciation of lead in soils and relation with its concentration in fruits". Analytica Chimica Acta, 410(1-2), 119-125.