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DIVISION OF ENVIRONMENTAL SCIENCE & ENGINEERING,NUS

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	Issue Date	Title	Author(s)
1	Jan-2007	Simultaneous determination of inorganic anions and selected organic acids in airborne particulate matter by ion chromatography	Karthikeyan, S. ; See, S.W.; Balasubramanian, R.
2	Jan-2007	Simultaneous determination of inorganic anions and selected organic acids in airborne particulate matter by ion chromatography	Karthikeyan, S. ; See, S.W.; Balasubramanian, R.
3	Dec-2005	Rapid extraction of water soluble organic compounds from airborne particulate matter	Karthikeyan, S. ; Balasubramanian, R.
4	Dec-2005	Rapid extraction of water soluble organic compounds from airborne particulate matter	Karthikeyan, S. ; Balasubramanian, R.
5	1-Jun-2006	Particulate air pollution from bushfires: Human exposure and possible health effects	Karthikeyan, S. ; Balasubramanian, R. ; Iouri, K.
6	15-Mar-2006	Optimization and validation of a low temperature microwave-assisted extraction method for analysis of polycyclic aromatic hydrocarbons in airborne particulate matter	Karthikeyan, S. ; Balasubramanian, R. ; See, S.W.
7	18-Aug-2006	Microwave assisted sample preparation for determining water-soluble fraction of trace elements in urban airborne particulate matter: Evaluation of bioavailability	Karthikeyan, S. ; Joshi, U.M.; Balasubramanian, R.
8	18-Aug-2006	Interlaboratory study to improve the quality of trace element determinations in rainwater	Karthikeyan, S. ; Balasubramanian, R.
9	18-Aug-2006	Interlaboratory study to improve the quality of trace element determinations in rainwater	Karthikeyan, S. ; Balasubramanian, R.
10	Jul-2009	Inter-laboratory study to improve the quality of the analysis of nutrients in rainwater chemistry	Karthikeyan, S. ; Balasubramanian, R. ; He, J.
11	2006	Health risk assessment of occupational exposure to particulate-phase polycyclic aromatic hydrocarbons associated with Chinese, Malay and Indian cooking	Wei See, S.; Karthikeyan, S. ; Balasubramanian, R.
12	Jan-2007	Evaluation of the marine algae Ulva fasciata and Sargassum sp. for the biosorption of Cu(II) from aqueous solutions	Karthikeyan, S. ; Balasubramanian, R. ; Iyer, C.S.P.
13	Apr-2005	Evaluation of a microwave-assisted extraction technique for determination of water-soluble inorganic species in urban airborne particulate matter	Sathrugnan, K. ; Balasubramanian, R.
14	Jan-2006	Determination of water-soluble inorganic and organic species in atmospheric fine particulate matter	Karthikeyan, S. ; Balasubramanian, R.
15	Jan-2009	Determination of total nitrogen in environmental samples: Validation by comparison of techniques and intralaboratory studies	Karthikeyan, S. ; He, J. ; Joshi, U.M.; Balasubramanian, R.
16	15-Jan-2009	Determination of total nitrogen in atmospheric wet and dry deposition samples	Karthikeyan, S. ; He, J. ; Palani, S. ; Balasubramanian, R. ; Burger, D.
17	May-2009	Determination of semi-volatile organochlorine compounds in the atmosphere of Singapore using accelerated solvent extraction	He, J. ; Balasubramanian, R. ; Karthikeyan, S. ; Joshi, U.M.
18	2007	Determination of ozone in outdoor and indoor environments using nitrite-impregnated passive samplers followed by ion chromatography	Karthikeyan, S. ; Perumal, S.V. ; Balasubramanian, R. ; Zuraimi, M.S.; Kwok, W.T.
19	Oct-2013	Chemical characterization of aerosols in the equatorial atmosphere over the Indian Ocean	Balasubramanian, R. ; Karthikeyan, S. ; Potter, J. ; Wurl, O. ; Durville, C.
20	15-May-2007	Characterization and source apportionment of particulate matter ≤ 2.5 μm in Sumatra, Indonesia, during a recent peat fire episode	Siao, W.S.; Balasubramanian, R. ; Rianawati, E.; Karthikeyan, S. ; Streets, D.G.