Browsing by Author "De Costa, M.D.P."
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Item Cosmetics:are they safe to use(NSF:Colombo, 2016-06) De Costa, M.D.P.Item Further studies on photoinduced intramolecular electron transfer of substituted benzoate esters of 9-anthracene mathanol II:substituent and medium effects(National Science Foundation:Colombo, 1999) De Costa, M.D.P.; Sriyani Mallika, K.A.D.Item In situ determination of copper (II) and cobalt(II) using adsorptive cathodic stripping voltammetry with hydroxamic acid modified carbon paste electrode(National Science Foundation:Colombo, 2006) Senthilnithy, R.; De Costa, M.D.P.; Gunawardhana, H.D.Item Photoinduced intramolecular electron-transfer of substituted benzoate esters of 9-anthracenemethanol in menthanol(NARESA:Colombo, 1997) De Costa, M.D.P.; Cumaranatunga, P.K.; Sriyani Mallika, K.A.D.Item The pKa values of ligands and stability constants of the complexes of Fe(III), Cu(II) and Ni(II) with some hydroxamic acids:a comparative study of three different potentiometric methods(National Science Foundation:Colombo, 2008-9) Senthilnithy, R.; De Costa, M.D.P.; Gunawardhana, H.D.