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Speciation of lead in soils and relation with its concentration in fruits |
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| Authors: | Mehmet Yaman Yusuf Dilgin Seref Gucer |
| Affiliation: | a Firat University, Sciences and Arts Faculty Department of Chemistry, Elazig, Turkey b 18 Mart University, Sciences and Arts Faculty Department of Chemistry, Canakkale, Turkey c Uludag University, Sciences and Arts Faculty Department of Chemistry, Bursa, Turkey |
| 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 Na2EDTA extraction-soluble Pb contents in the soil and the Pb concentrations in the mulberry (R2=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. |
| Keywords: | Speciation Lead Soil Fruit AAS |
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