An Asian Journal of Soil Science

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Assessment of Metal Enrichments in Industrial Soil of Dindigul Town, Tamil Nadu


Affiliations
1 Department of Chemistry, Sri Meenakshi Government Arts College for Women (Autonomous), Madurai (T.N.), India
2 Department of Chemistry, P.S.N.A. College of Engineering and Technology, Dindigul (T.N.), India
     

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Heavy metal enrichment and contamination of the soil has attracted a great deal of attention world wide due to their non-biodegradable nature. This study was conducted to investigate the concentration of heavy metals such as Fe, Mn, Zn, Cu, Pb, Cd and Cr in soil which have been contaminated by industrial activity. In view of this, influence of an industrial environment on the accumulation of heavy metals in the surface soils of the Dindigul which is Industrial Town, Tamil Nadu has been investigated. The total 18 top soil samples enrichment (0-20cm) were collected for a period between October 2011 to February 2012 and the heavy metal contents were analyzed by atomic absorption spectrophotometer (AAS). The mean concentration of Mn (13.16 mg/kg) was found to higher followed by Fe (9.13 mg/kg), Cu (6.73 mg/kg), Zn (2.13 mg/kg), Cr (1.98 mg/kg), Pb (0.82 mg/kg) and Cd (0.079 mg/kg). The average enrichment factor for Cr (4.58) was found to be higher followed by Cd (3.06), Zn (1.93), Pb (1.78), Mn (1.49), Fe (1.41) and Cu (1.17). Cr and Cd have the more enrichment factor and normalized scatter coefficient compared to other heavy metals. It is inferred that Cr and Cd are accumulated to the greater extent in the industrial soil of Dindigul Town.

Keywords

Enrichment Factor, Normalized Scatter Coefficient, Heavy Metals, Atomic Absorption Spectrophotometer, Contamination, Industrial Soil, Non-Biodegradable.
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  • Assessment of Metal Enrichments in Industrial Soil of Dindigul Town, Tamil Nadu

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Authors

D. Sarala Thambavani
Department of Chemistry, Sri Meenakshi Government Arts College for Women (Autonomous), Madurai (T.N.), India
V. Prathipa
Department of Chemistry, P.S.N.A. College of Engineering and Technology, Dindigul (T.N.), India

Abstract


Heavy metal enrichment and contamination of the soil has attracted a great deal of attention world wide due to their non-biodegradable nature. This study was conducted to investigate the concentration of heavy metals such as Fe, Mn, Zn, Cu, Pb, Cd and Cr in soil which have been contaminated by industrial activity. In view of this, influence of an industrial environment on the accumulation of heavy metals in the surface soils of the Dindigul which is Industrial Town, Tamil Nadu has been investigated. The total 18 top soil samples enrichment (0-20cm) were collected for a period between October 2011 to February 2012 and the heavy metal contents were analyzed by atomic absorption spectrophotometer (AAS). The mean concentration of Mn (13.16 mg/kg) was found to higher followed by Fe (9.13 mg/kg), Cu (6.73 mg/kg), Zn (2.13 mg/kg), Cr (1.98 mg/kg), Pb (0.82 mg/kg) and Cd (0.079 mg/kg). The average enrichment factor for Cr (4.58) was found to be higher followed by Cd (3.06), Zn (1.93), Pb (1.78), Mn (1.49), Fe (1.41) and Cu (1.17). Cr and Cd have the more enrichment factor and normalized scatter coefficient compared to other heavy metals. It is inferred that Cr and Cd are accumulated to the greater extent in the industrial soil of Dindigul Town.

Keywords


Enrichment Factor, Normalized Scatter Coefficient, Heavy Metals, Atomic Absorption Spectrophotometer, Contamination, Industrial Soil, Non-Biodegradable.