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
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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