Prof. K R Ranjith Mahanama
Department of Chemistry
Publications
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Qualitative and quantitative determination of organophosphates in post-mortem whole human blood by gas chromatography
Qualitative and quantitative determination of organophosphates in post-mortem whole human blood by gas chromatography [2010]. Mr. U.S.S. Udugampola, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Ms. S. Tennakoon, Government Analyst’s Department, Colombo
Nutrition value of available fertilizers in Sri Lanka at the farmers end
Nutrition value of available fertilizers in Sri Lanka at the farmers end [2010]. Ms. K.C.R.K. Fernando, M.Sc. in Analytical Chemistry, University of Colombo
Free amino acid profile of Caryoto urens L. (kithul palm) treacle as a marker for authenticity
Somasiri, H.P.P.S.; Premakumara, G.A.S.; Mahanama, K.R.R. [2010]. Free amino acid profile of Caryoto urens L. (kithul palm) treacle as a marker for authenticity. Presented at the Annual Research Symposium 2010, University of Colombo, May 12 – 13, Colombo.
Exposure of heavy metals to the toddlers from crayons [2010]. Miss. L.R.T. Perera, M.Sc. in Analytical Chemistry, University of Colombo
Development of screening methods to determine the excipient metal contents in pharmaceutical formulations
Development of screening methods to determine the excipient metal contents in pharmaceutical formulations [2010]. Ms. G.R.W.P. Kumari, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Dr. K.K.G.P.B. Herath, State Pharmaceutical Manufacturing Cooperation of Sri Lanka, Ratmalana
Use of organic aids and polyphenolic compound profiles of Caryoto urens (kithul), Cocos nucifra (coconut) and Saccharum officinarum (sugar cane) treacles for the authentication of the treacle type
Somasiri, H.P.P.S.; Premakumara, G.A.S.; Mahanama, K.R.R. [2009]. Use of organic aids and polyphenolic compound profiles of Caryoto urens (kithul), Cocos nucifra (coconut) and Saccharum officinarum (sugar cane) treacles for the authentication of the treacle type. Presented at the 38th Annual Sessions of the Institute of Chemistry, Ceylon, June 18 – 19, Colombo.
Nutrition composition of Kithul palm Caryota urens sap, treacle and juggery
Somasiri, H.P.P.S.; Premakumara, G.A.S.; Mahanama, K.R.R. [2009]. Nutrition composition of Kithul palm Caryota urens sap, treacle and juggery. Presented at Nutrition Society Sessions, January 24 – 25, Colombo.
Method validation and determination of Vitamin A and E in selected Sri Lankan consumable product items
Perera, P.S.F.; Mahanama, K.R.R. [2009]. Method validation and determination of Vitamin A and E in selected Sri Lankan consumable product items. Presented at Nutrition Society Sessions, January 24 – 25, Colombo.
Investigation of lead and other heavy metals sources and their depositions in the indoors
Investigation of lead and other heavy metals sources and their depositions in the indoors [2009]. Ms. D.T. Abeysinghe, M.Sc. in Analytical Chemistry, University of Colombo
Investigation of leaching heavy metals into soil and groundwater from a battery dump yard
Investigation of leaching heavy metals into soil and groundwater from a battery dump yard [2009]. Mr. H.A. Wanniarchchie, M.Sc. in Analytical Chemistry, University of Colombo
Edited nine publications (both the English medium and Sinhala medium) for Environmental Hazard Series 1 – 9 [2006]. Published by the Environment Committee of the Sri Lanka Association of the Advancement of Science.
Creating an environmental friendly work place – Air pollution and monitoring in Proceedings of the training seminar on Towards a Cleaner Industrial Environment in the New Millennium
Creating an environmental friendly work place – Air pollution and monitoring in Proceedings of the training seminar on Towards a Cleaner Industrial Environment in the New Millennium. Published by Institute of Chemistry Ceylon. Samarasinghe, S [Ed] pp 42- 49, 2002.
Assessment of heavy metals in black tea produced in different agro-ecological regions of Sri Lanka
Assessment of heavy metals in black tea produced in different agro-ecological regions of Sri Lanka [2009]. Ms. A.D.M. Damayanthi, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Dr. A.M.T. Amarakoon, Sri Lanka Tea Board, Colombo.
Organic acids and free sugar compounds of kithul palm (Caryota Urens) sap
Somasiri, H.P.P.S.; Premakumara, G.A.S.; Mahanama, K.R.R. [2008]. Organic acids and free sugar compounds of kithul palm (Caryota Urens) sap. Presented at the Asian Symposium on Medicinal Plants, Spices and other Natural Products XIII International Symposium, November 03 – 06, Hyderabad, India.
Investigations of the changes in chemical and physical properties in the lubricating oil with the usage
Investigations of the changes in chemical and physical properties in the lubricating oil with the usage [2008]. Ms. H.T.P.H. Weragoda, M.Sc. in Analytical Chemistry, University of Colombo.
Investigations of the changes in chemical and physical properties in the lubricating oil with the usage
Investigations of the changes in chemical and physical properties in the lubricating oil with the usage [2008]. Ms. H.T.P.H. Weragoda, M.Sc. in Analytical Chemistry, University of Colombo.
Investigation of metal contents in crude and processed petroleum products
Investigation of metal contents in crude and processed petroleum products [2008]. Ms. K.N. Ratnayake, M.Sc. in Analytical Chemistry, University of Colombo
Exposure analysis of xylene and formaldehyde levels in a histopathology laboratory
Exposure analysis of xylene and formaldehyde levels in a histopathology laboratory [2008]. Mr. A.P. Kamalasiri, M.Sc. in Analytical Chemistry, University of Colombo
Development of an environmental benign extraction method to isolate the fragrances from natural products
Development of an environmental benign extraction method to isolate the fragrances from natural products [2008]. Mr. M.M.N.B. Gunasekera, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Mr. J.K.A.B. Wijegunasekara, Industrial Technology Institute, Colombo
Cooking or Being Cooked: The Inside Story of Indoor Air Pollution due to Cooking, Health Effects and Interventions
Mahanama, K.R.R. [2008]. Cooking or Being Cooked: The Inside Story of Indoor Air Pollution due to Cooking, Health Effects and Interventions. Economic Review 34 (3,4), 18 – 23.
An investigation of the adulterants in powdered chili samples
Perera, C.Y.P.; Mahanama, K.R.R. [2008]. An investigation of the adulterants in powdered chili samples. Presented at the Annual Research Symposium, University of Colombo, October 24, Colombo.
Reduction of indoor exposures through the development of environmental friendly sample preparation methods
Gunasekara, M.M.N.B.; Wijegunasekara, J.K.A.B.; Mahanama, K.R.R. [2007]. Reduction of indoor exposures through the development of environmental friendly sample preparation methods. Presented at the 3rd National Symposium on Air That We Breathe. Air Resource Management Center and Clean air Sri Lanka, September 28, Colombo.
Identification and quantification of spice adulterants in Sri Lanka
Identification and quantification of spice adulterants in Sri Lanka [2007]. Ms. C.Y.P. Perera, M.Sc. in Analytical Chemistry, University of Colombo
Development of a water quality index for Kelani River [2007]. Mr. D.D.N. Padmasiri, M.Sc. in Analytical Chemistry, University of Colombo
Development of a suitable method for identification of different polymorph types in mebendazole
Development of a suitable method for identification of different polymorph types in mebendazole [2007]. Ms. H.C. Ratnayake, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Dr. K.K.G.P.B. Herath, State Pharmaceutical Manufacturing Cooperation of Sri Lanka, Ratmalana
Comparisons of quality of edible iodated salt produced by small and medium industries
Comparisons of quality of edible iodated salt produced by small and medium industries [2007]. Ms. D.M.U. Gamage, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Ms. Jasmine Mannapperuma, Small and Medium Enterprises, Colombo
Carbonyl and phenol emissions from indoor combustion sources
Paramasivam, D.; Mahanama, K.R.R. [2007]. Carbonyl and phenol emissions from indoor combustion sources. Presented at the 3rd National Symposium on Air That We Breathe. Air Resource Management Center and Clean air Sri Lanka, September 28, Colombo.
Mahanama, K.R.R., [2006]. Waste burning and air pollution. In Proceedings of the Training Seminar on Solid Waste management – An Effort towards an Unpolluted Green Tomorrow. Institute of Chemistry, Ceylon pp 11 – 13.
Thermal catalytic degradation of volatile hydrocarbons in gas phase
Thermal catalytic degradation of volatile hydrocarbons in gas phase [2006]. Mr. R.S.K. Wataketiya, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Dr. D.P. Dissanayake, Department of Chemistry, University of Colombo.
Pesticide handling. A monograph in the “Understanding Environmental Hazards Series”
Mahanama, K.R.R. [2006]. Pesticide handling. A monograph in the “Understanding Environmental Hazards Series” published in all the three languages by Environment Committee of the Sri Lanka Association for the Advancement of Science. pp 01-12.