Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0045-6535(03)00028-6
Title: Chemical characterization of rainwater at Singapore
Authors: Hu, G.P.
Balasubramanian, R. 
Wu, C.D.
Keywords: Acid rain
Chemical composition
Factor analysis
Meteorological influence
Sulfate
Issue Date: Jun-2003
Citation: Hu, G.P., Balasubramanian, R., Wu, C.D. (2003-06). Chemical characterization of rainwater at Singapore. Chemosphere 51 (8) : 747-755. ScholarBank@NUS Repository. https://doi.org/10.1016/S0045-6535(03)00028-6
Abstract: A short term study of the chemical composition of rainwater was carried out from November 1999 to October 2000 in Singapore. The rainwater was typically acidic with a mean pH of 4.2. Sulfate was the most abundant ion and comparable to the results reported for other industrialized regions. The concentrations of major ions (NH4 +, Ca2+, K+, Na+, Mg2+, SO4 2+, NO3 2-, Cl-, HCOO-, CH3COO-) varied monthly. Results show that local meteorological conditions influence the chemical compositions to a significant extent. The pollutants in rainwater were derived from long range and local (industry and traffic) sources. © 2003 Elsevier Science Ltd. All rights reserved.
Source Title: Chemosphere
URI: http://scholarbank.nus.edu.sg/handle/10635/91892
ISSN: 00456535
DOI: 10.1016/S0045-6535(03)00028-6
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