Browsing by Author "Priyantha,N"
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Item A Comparison on Composition of Rain in Selected Locations in Colombo and Gampaha Districts(Institute of Chemistry Ceylon, 2022-06) Pieris,K. A. H; Poornima, W. V. D. S; Liyandeniya,A. B; Deeyamulla,M. P; Priyantha,NExpansion of industrial processes significantly contribute to the extent of atmospheric deposition, and hence, quantitative determination of the atmospheric quality through monitoring rainwater quality parameters is important for understanding the transport and fate of chemical species in the atmosphere.Item Biosorption kinetics of the transfer of Cd(II) ions from aqueous solution on powdered Dillenia suffruticosa(Institute of Chemistry Ceylon, 2026-05) Anuradha,P; Priyantha,NCadmium is a toxic heavy metal that is extensively present in the environment, contributing to water pollution.Item Effects of anions on inhibition of corrosion of aluminium in acidic medium by extracts of Lasia spinosa and Artocarpus camanci(Institute of Chemistry Ceylon, 2022-06) Rathnayaka,R. M. C. A; Priyantha,NAluminium shows excellent resistance to corrosion under normal circumstances, which is however compromised in the formation of alloys. Moreover, aluminium corrodes under certain conditions in industrial environments, and thus, it is essential to know the conditions under which corrosion would occur, the products that corrosion would lead to, the rate of corrosion under different situations and possible preventative measures.Item Electrochemical Impedance Spectroscopy for Prediction of Corrosion Inhibition of CaO Nanoparticles toward Grade 202 Stainless-steel(Institute of Chemistry Ceylon, 2025-05) Revon,M. H. N; Priyantha,NGrade 202 Stainless Steel (SS Grade 202) offers excellent corrosion resistant characteristics under mild conditions due to the presence of a relatively high chromium percentage although it is an alloy rich in iron.Item Electrochemical Impedance Spectroscopy for Prediction of Corrosion Inhibition of CaO Nanoparticles toward Grade 202 Stainless-steel(Institute of Chemistry Ceylon, 2025-05) Revon,M. H. N; Priyantha,NGrade 202 Stainless Steel (SS Grade 202) offers excellent corrosion resistant characteristics under mild conditions due to the presence of a relatively high chromium percentage although it is an alloy rich in iron.Item Enhanced Removal of Ni(II) from Contaminated Solutions by NaOH-modified Tea Waste(Institute of Chemistry Ceylon, 2025-05) Manujaya ,Chamith; Priyantha,NHeavy metal contamination is a critical environmental issue, requiring efficient and low-cost removal techniques. Among various types of removal techniques, adsorption has achieved much consideration due to different aspects.Item Inhibition of corrosion of aluminium by natural substances(Institute of Chemistry Ceylon, 2022-06) Piumwardena,T.D; Priyantha,NUse of economical and environmentally friendly materials for inhibition of corrosion of metallic substances has become an attractive alternative.Item Interpretation of Cr(III) adsorption by water hyacinth (Eichhornia crassipes) biosorbent through kinetics and isotherm analysis(Institute of Chemistry Ceylon, 2025-05) Amarasinghe,A. P. N. H. D; Priyantha,NWater contamination by chromium species is a serious environmental and health issue, making its removal from water sources a top priority. Adsorption is a wellestablished method for heavy metal removal, with biosorbents emerging as an eco-friendly and costeffective alternative to synthetic adsorbents.Item Modelling of corrosion of mild steel in strong acidic media through mass loss measurements(Institute of Chemistry Ceylon, 2026-05-02) Kumara, T.S; Priyantha,NCorrosion has been problematic especially in industrial activities, and hence, various corrosion inhibitory activities have been implemented, most of which are with synthetic chemicals.Item Optimization of experimental parameters and thermodynamics analysis for biosorption of Cd(II) from aqueous solutions using raw biomass and biochar of Panicum maximum leaves(Institute Of Chemistry Ceylon, 2026-05-02) Vihanga,S; Priyantha,NWater contamination from heavy metals has become a major environmental concern. Cadmium which exists as Cd(II) can be considered to be a toxic heavy metal that causes severe effects.Item Parameter Optimization and Kinetics Modeling for Biosorption of Methylene Blue Dye on Artocarpus nobilis Fruit Peel(Institute of Chemistry Ceylon, 2022-06) Samaraweera,A. P. G. M. V; Priyantha,NDye removal through biosorption has not been extensively investigated at the industrial level, partly due to the lack of correlation between laboratory findings and requirements of large-scale applications.Item Spatial and Temporal Variation of Atmospheric Quality through Analysis of Rainwater(Institute Of Chemistry Ceylon, 2026-05) Perera,D. A. K. L; Priyantha,NWater molecules present in the atmosphere, when condensed under gravitational force, result in wet precipitation, while the transfer of particles in the absence of rain events is dry precipitationItem Synthesis of Cellulose Nanoparticles from Panicum maximum and their Application in Gas Filtration(Institute Of Chemistry Ceylon, 2025) Nilmani,A. H. M. Y; Priyantha,N; Wijesinghe,M. BAir pollution is a significant global environmental issue. Excessive levels of oxides of carbon, nitrogen, and sulfur oxides cause a wide range of environmental complications, leading to various health problems.Item Synthesis of Cellulose Nanoparticles from Panicum maximum and their Application in Gas Filtration(Institute of Chemistry Ceylon, 2025-05) Nilmani,A.H.M.Y; Priyantha,N; Wijesinghe,M.BAir pollution is a significant global environmental issue. Excessive levels of oxides of carbon, nitrogen, and sulfur oxides cause a wide range of environmental complications, leading to various health problems. Environmentally friendly, economical, and sustainable approaches are essential to treat polluted air.Item Use of Aqueous Na2CO3 Systems for Inhibition of Corrosion of Grade 202 Stainless-steel(Institute of Chemistry Ceylon, 2025-05) Dewappriya,P. D. T. A; Revon,M. H. N; Priyantha,NCorrosion is a process that promotes damaging attack on a metal by chemical or electrochemical reaction with the environment it is exposed to. Corrosion has been driven its concern due to costly maintenance, and hence, inhibitors are needed to avoid this undesirable situation.