The Malaysian Journal of Analytical Sciences, Vol 12 No 2 (2008): 291 - 301

 

 

 

 

COMPARISON OF Pt, Rh, Cu, Zn, Pb AND Ni CONCENTRATION IN ROAD DUST SAMPLES OF GENTING SEMPAH TUNNEL, PAHANG

 

Hidayah Shahar* and Amran Ab. Majid

 

Schools of Chemical Sciences & Food Technology,

Faculty of Science & Technology,

Universiti Kebangsaan Malaysia

43600 Bangi, Selangor

 

*Corresponding author: hidayahshahar@gmail.com

 

 

Abstract

An increasing usage of motored vehicles in modern mode of land transportation has an impact to the distribution of certain heavy metals in the environment. Zn, Cu, Pb, Ni, Pt and Rh are elements known to be associated with motored vehicles activities. The study was carried out to determine the concentration of these elements in road dusts samples from closed sampling area i.e. Genting Sempah Tunnel from January to December 2006.  The tunnel was selected because an average of 836092.5 unit vehicles passed through the tunnel monthly. The elemental contents of Zn, Cu, Pb, Ni, Pt and Rh in the road dusts samples were determined using Inductively Coupled Plasma – Optical Emission Spectrometry (ICP-OES). The results shows that the monthly average concentration of the elements in road dusts samples are 1886.7 ± 868.3 µg/g, 213.2 ± 18.2 µg/g, 155.6 ± 29.0 µg/g, 23.5 ± 0.3 µg/g, 5.8 ± 0.6 µg/g and 2.6 ± 0.5 µg/g Zn, Cu, Pb, Ni, Pt and Rh, respectively. However, there are no clear relation could be seen between the elemental monthly average concentrations to the monthly traffic density.

 

Keywords: Heavy metals, PGE, road dust, ICP-OES

 

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