Prof. K R Ranjith Mahanama
Department of Chemistry
Publications
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Supercritical Fluids. Are They Super? Chem. Sri Lanka
Mahanama, K.R.R. [2002]. Supercritical Fluids. Are They Super? Chem. Sri Lanka 19 (2), 23.
Mahanama, K.R.R. [2002]. Supercritical fluids. Are they super? A review paper presented at the 31st Annual Sessions of Institute of Chemistry, Ceylon, June 23 – 25, Colombo.
London Smog to Los Angeles Smog; What is Next? Colombo Smog!! Chem. Sri Lanka
Mahanama, K.R.R. [2002]. London Smog to Los Angeles Smog; What is Next? Colombo Smog!! Chem. Sri Lanka 19 (1), 04 – 05.
Development of an environment friendly method to remove the colored components from industrial waste
Pandithavidana, D.; Mahanama, K.R.R. [2002]. Development of an environment friendly method to remove the colored components from industrial waste. Presented at the 8th Annual Sessions of Forestry and Environmental Symposium, December 10 – 11, Beruwala.
Determination of detection limit for S2F10 in SF6 by gas chromatography with electron capture detection
Muianga, C.V.; Mahanama, K.R.R. [2002]. Determination of detection limit for S2F10 in SF6 by gas chromatography with electron capture detection. Presented at the 3rd Associate Programme, Organization for the Prohibition of Chemical Weapons, September 26, Dan Hague, The Netherlands.
Investigation of leaded petrol and diesel adulteration in Sri Lanka
Kulathunga, D.R.; Mahanama, K.R.R. [2001]. Investigation of leaded petrol and diesel adulteration in Sri Lanka. Presented at the 7th Annual Sessions of Forestry and Environmental Symposium, December 28 – 29, Gangodawila.
Mahanama, K.R.R. [2001]. Indoor Air pollution. Course material for Regional Training Programme on Management of Natural Resources Postgraduate Institute of Science, University of Peradeniya, Kandy.
Impurities and adulterants of illicit heroin in Sri Lanka
Impurities and adulterants of illicit heroin in Sri Lanka [2001]. Ms. P.S.K. Rajapaksa, M.Sc. in Analytical Chemistry, Peradeniya. Co-supervisors: Dr. D.P. Dissanayake, Department of Chemistry, University of Colombo and Ms. Y. Mahasen, Government Analyst Department
Fish uptake and Levels of Cr, Cu, Cd, Ni, Pb and Zn in Beire Lake water
Wijesinghe, L.P.R.J.; Pathmasiri, D.D.N.; Mahanama, K.R.R. [2001]. Fish uptake and Levels of Cr, Cu, Cd, Ni, Pb and Zn in Beire Lake water. Presented at the 7th Annual Sessions of Forestry and Environmental Symposium, December 28 – 29, Gangodawila.
Environmental Organic Chemistry [2001] by Prof. S. Sotheeswaran. Published by Institute of Chemistry, Ceylon. ISBN 955-9244-12-4.
Design and construction of a low cost smoking machine for tobacco smoke generation and demonstrating the smokers’ intake
Udawatte, U.N.P.; Mahanama, K.R.R. [2001]. Design and construction of a low cost smoking machine for tobacco smoke generation and demonstrating the smokers’ intake. Presented at the 7th Annual sessions of Forestry and Environmental Symposium, December 28 – 29, Gangodawila.
Cyclohexane oxidation and carbon deposition over metal oxide catalysts
Hettige, C.; Mahanama, K.R.R.; Dissanayake, D.P. [2001]. Cyclohexane oxidation and carbon deposition over metal oxide catalysts. Chemosphere 43, 1079-1083
Carbon formation during volatile organic compound oxidation over a nickel catalyst
ayathilaka, G.D.L.P; Hettige, C.; Mahanama, K.R.R.; Dissanayake, D.P. [2001]. Carbon formation during volatile organic compound oxidation over a nickel catalyst. Ind. J. Chem.-Section A. 40A, 392-395
Selective extraction of carcinogenic precursors from diesel
Pannawennage, D.P.; Dissanayake, D.P.; Mahanama, K.R.R. [2000]. Selective extraction of carcinogenic precursors from diesel. Presented at the 1st Annual Sessions of the Faculty of Science, University of Colombo, December 13, Colombo.
Method development for analysis and control of organic pollutants in diesel exhaust
Mahanama, K.R.R. Dissanayake, D.P. [2000]. Method development for analysis and control of organic pollutants in diesel exhaust. Report submitted to National Science Foundation, Sri Lanka
Investigation of sulfur compounds in selected stagnant water bodies in Sri Lanka
Investigation of sulfur compounds in selected stagnant water bodies in Sri Lanka [2000]. Mr. K.I.A. Kularatne, M.Sc. in Forestry and Environmental Management, University of Sri Jayewardenepura
Investigation of sulfur compounds in selected stagnant water bodies
Kularatne, K.I.A.; Mahanama, K.R.R. [2000]. Investigation of sulfur compounds in selected stagnant water bodies. Presented at the 6th Annual Sessions of Forestry and Environmental Symposium, December 29 – 30, Kandy.
Dynamic behavior of polycyclic aromatic hydrocarbons in environmental tobacco smoke: Effects of aging and temperature variation on phase and size distribution
Gundel, L.A.; Mahanama, K.R.R.; Apte, M.G.; Herring, A.S.V.; VanLoy, M.D.; Daisey, J.M. [1999]. Dynamic behavior of polycyclic aromatic hydrocarbons in environmental tobacco smoke: Effects of aging and temperature variation on phase and size distribution. Proceedings of Indoor Air ’99. The 8th International Conference on Indoor Air Quality and Climate, 2, 915-920
Dynamic behavior of polycyclic aromatic hydrocarbons in environmental tobacco smoke: Effects of aging and temperature variation on phase and size distribution
Gundel, L.A.; Mahanama, K.R.R.; Apte, M.G.; Herring, A. S.V.; VanLoy, M.D.; Daisey, J.M. [1999]. Dynamic behavior of polycyclic aromatic hydrocarbons in environmental tobacco smoke: Effects of aging and temperature variation on phase and size distribution. Presented at the 8th International Conference on Indoor Air Quality and Climate, August 08 – 13, Edinburgh, Scotland.
Mahanama, K.R.R. [1999]. Beware of Indoor Hidden Danger. Resonance, 14 – 16
Effect of MgO on carbon deposition over a Ni/Al2O3 catalyst. An investigation by FTIR
Hettige, C.; Jayathilaka, G.D.I.P.; Mahanama, K.R.R.; Dissanayake, D.P. [1998]. Effect of MgO on carbon deposition over a Ni/Al2O3 catalyst. An investigation by FTIR. Presented at the 54th Annual sessions of the Sri Lanka Association for the Advancement of Science, December 14 – 19, University of Sri Jayewardenepura, Gangodawila.
Developing a sensor for sulfur dioxide in the environment of air
Developing a sensor for sulfur dioxide in the environment of air [1998]. Ms. E. Nallathamby, M.Sc. in Analytical Chemistry, University of Colombo
Construction of a low cost air sampler and its application in sampling volatile carbonyl compounds
Kularatne, K.I.A.; Mahanama, K.R.R. [1998]. Construction of a low cost air sampler and its application in sampling volatile carbonyl compounds. Presented at the 4th Annual Sessions of Forestry and Environmental Symposium, December 03 – 04, Beruwela.
A solution to scaling problems and operational difficulties in Mihintale drinking water supply scheme
Wijesinghe, L.P.R.J.; Mahanama, K.R.R. [1998]. A solution to scaling problems and operational difficulties in Mihintale drinking water supply scheme. Presented at the National Water Conference, November 04 – 06, Colombo.
Toxic volatile organic compounds in simulated environmental tobacco smoke: Emission factors for exposure assessment
Daisey, J.M.; Mahanama, K.R.R.; Hodgson, A.T. [1997]. Toxic volatile organic compounds in simulated environmental tobacco smoke: Emission factors for exposure assessment. J. Exp. Anal. Environ. Epidem. 8, 313-334
Mahanama, K.R.R. [1997]. Indoor Air Quality. Chem. Sri Lanka. 14, 13 – 16.
Development of low cost sampling and analytical method to determine polycyclic aromatic hydrocarbons in air
Thiyakesan, A.; Dissanayake, D.P.; Mahanama, K.R.R. [1997]. Development of low cost sampling and analytical method to determine polycyclic aromatic hydrocarbons in air. Presented at the 53rd Annual Sessions of the Sri Lanka Association for the Advancement of Science, December 08 – 12, University of Ruhuna, Matara.
Chemistry of atmosphere and atmospheric pollution in Workshop on Chemical Aspects of Environment
Chemistry of atmosphere and atmospheric pollution in Workshop on Chemical Aspects of Environment. Published by Environmental Committee, Sri Lanka Association of Advancement of Science. pp 1- 13, 1997.
Volatile N-nitrosamines in environmental tobacco smoke: Sampling, analysis and source emission factors
Mahanama, K.R.R.; Daisy, J.M. [1996]. Volatile N-nitrosamines in environmental tobacco smoke: Sampling, analysis and source emission factors. Environ. Sci. & Tech. 30, 1477-1484
Use of volatile tracers to determine the contribution of environmental tobacco smoke to concentrations of volatile organic compounds in smoking environments
Hodgson, A.T.; Daisey, J.M.; Mahanama, K.R.R.; Ten Brinke, J.A.; Alevantis, L.E. [1996]. Use of volatile tracers to determine the contribution of environmental tobacco smoke to concentrations of volatile organic compounds in smoking environments. Environ. Int. 22, 295-307.