Title :
Distributions of platinum and lead in roadside environment among metropolitan areas in Beijing, China
Author :
Zhu, Ruohua ; Li, Ran ; Gong, Xiaona ; Gai, Yibing ; Wang, Juan
Author_Institution :
Dept. of Chem., Capital Normal Univ., Beijing, China
Abstract :
Platinum and lead have been determined by inductive couple plasma-mass spectrometry (ICP-MS) in roadside dust and plants including Japanese pagoda, Annual grass, Holly and Pine tree collected along main roads in Beijing. The higher Pt and Pb concentrations were found in samples along road with higher traffic volume. Among the plants examined, Pb contents in all selected plants well match with the result in dust. The level of Pt in Annual grass reflects most adequately the pollution of Pt in soil samples. Correlation between Pt and Pb concentrations in environmental sample is established. The sequential extraction was used to study the distribution of species of Pt and Pb. The non-residual fractions of Pt and Pb in urban dust average 26.9% and 71.0%, respectively, and the sum of exchangeable and carbonate fractions presented the amounts of bio-available fraction, only 7.9% of Pt and 8.1% of Pb in urban roadside dust.
Keywords :
dust; lead; mass spectra; platinum; soil pollution; Beijing; China; Japanese pagoda; Pb; Pt; annual grass; holly tree; inductive couple plasma mass spectrometry; lead distribution; metropolitan area; pine tree; platinum distribution; roadside dust; roadside environment; roadside plants; sequential extraction; soil; Exhaust systems; Lead; Platinum; Roads; Soil; Urban areas; Vegetation; Beijing (the capital of China) Introduction; Lead; Plants; Platinum; Topsoil;
Conference_Titel :
Remote Sensing, Environment and Transportation Engineering (RSETE), 2011 International Conference on
Conference_Location :
Nanjing
Print_ISBN :
978-1-4244-9172-8
DOI :
10.1109/RSETE.2011.5966103
