A Study on Determination of Metals in Road Side Dust at Selected Locations of Delhi
Journal Title: International Journal of Engineering and Science Invention - Year 2018, Vol 7, Issue 6
Abstract
Top soil samples were collected under stable weather conditions from the heavy traffic areas of Delhi and Delhi NCR. The present paper is on estimation of concentration of heavy metals (especially trace metals) by collecting roadside dust samples. Rapid urbanization and industrialization are main reasons for deterioration of air quality in many of the metro cities like Delhi. These anthropogenic fugitive emissions are aggregated on the soil surface. The present paper is to estimate concentration of heavy metals in roadside dust samples collected from the paved roads of Delhi and Delhi NCR. Some of the heavy metals like Mn, Co, Pb, Zn, Ni, Cu and Cd were analyzed by Inductively Coupled Plasma Atomic Emission Spectroscopy (ICPAES) and Spectrophotometrically. The analysis of variants shows that Zn and Mn concentration levels were highly significant in road dust. High concentration of these heavy metals suggests that construction activities and automobiles are the major sources in the roadside soils. Metal concentration in the dust Cu concentration ranged from 43 – 653 mg/kg, Pb concentration ranged from 24 – 150 mg/kg, Ni concentration ranged from 0-25 mg/kg, Mn concentration ranged from 196-459mg/kg and Cr concentration ranged from 16-53 mg/kg.
Authors and Affiliations
Mrs. Namita Mishra, B. Sasi Devi, B. K. Jakhmola
Keywords
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