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Heavy Metal Contamination of Tree Leaves
School of Studies in Chemistry/Environmental Science, Pt. Ravishankar Shukla University, Raipur, India
School of Studies in Chemistry/Environmental Science, Pt. Ravishankar Shukla University, Raipur, India
School of Studies in Chemistry/Environmental Science, Pt. Ravishankar Shukla University, Raipur, India
School of Studies in Chemistry/Environmental Science, Pt. Ravishankar Shukla University, Raipur, India
Central Laboratory for Chemical Testing and Control, Sofia, Bulgaria
Department of Exact Sciences, E.N.S., Marien Ngouabi University, Brazzaville, Congo
Karlsruhe University of Applied Sciences, Karlsruhe, Germany
- 1 School of Studies in Chemistry/Environmental Science, Pt. Ravishankar Shukla University, Raipur, India
- 2 School of Studies in Chemistry/Environmental Science, Pt. Ravishankar Shukla University, Raipur, India
- 3 School of Studies in Chemistry/Environmental Science, Pt. Ravishankar Shukla University, Raipur, India
- 4 School of Studies in Chemistry/Environmental Science, Pt. Ravishankar Shukla University, Raipur, India
- 5 Central Laboratory for Chemical Testing and Control, Sofia, Bulgaria
- 6 Department of Exact Sciences, E.N.S., Marien Ngouabi University, Brazzaville, Congo
- 7 Karlsruhe University of Applied Sciences, Karlsruhe, Germany
American Journal of Analytical Chemistry·Volume 06 (2015)·Pages 687–693·Published 9 July 2015·DOI10.4236/ajac.2015.68066
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Abstract
The study of heavy metal (HM s ) contamination of environment is of great interest due to their serious health hazard. In this work, the contamination of tree leaves with the HM s in the most polluted industrial city, Korba, India is described. The leaves of common trees i.e. Azadirachta indica, Butea monosperma, Eucalyptus, Ficus religiosa, Mangifera indica and Tectona grandis were selected for assessment of the HM s contamination as bioindicator. The elevated concentration of HM s ( i.e. As, Fe, Cr, Mn, Cu, Zn, Cd, Pb and Hg) in the tree leaves was observed, ranging from 2.8 - 43, 728 - 5182, 8.6 - 49, 48 - 1196, 43 - 406, 79 - 360, 1.12 - 1.65, 1.6 - 16.4 and 0.13 - 0.76 mg/kg, respectively. The concentration, enrichment and sources of the HM s in the leaves are described. Azadirachta indica leaves , accumulating higher concentration of the HM s , showed a higher efficiency as bioindicator for the urban pollution.
KeywordsHeavy MetalSoilTree LeafBioindicatorIndia
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