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Rainwater dissolved organic carbon: Characterization of surface active substances by electrochemical method (CROSBI ID 132328)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Ćosović, Božena ; Orlović Leko, Palma ; Kozarac, Zlatica Rainwater dissolved organic carbon: Characterization of surface active substances by electrochemical method // Electroanalysis, 19 (2007), 19-20; 2077-2084

Podaci o odgovornosti

Ćosović, Božena ; Orlović Leko, Palma ; Kozarac, Zlatica

engleski

Rainwater dissolved organic carbon: Characterization of surface active substances by electrochemical method

Surface active substances as organic constituents of bulk precipitation were studied by AC voltammetric method. Adsorption characteristics at the mercury electrode of real rainwater samples are compared with aqueous solutions of a number model substances suggested to be representative of water soluble organic compounds (WSOC) in atmospheric aerosols and droplets: monocarboxylic, dicarboxylic and polyacidic compounds, levoglucosan, polyaromatic hydrocarbon naphtalene and anionic surfactant sodium dodecylbenzene sulphonate. On the basis of the capacitance vs potential curves and the surfactant activity normalized to the organic carbon content it is concluded that humic like substances, monocarboxylic acids and polyaromatic hydrocarbons may play an important role in atmospheric aquatic system because of their surface active potential.

AC voltammetry ; adsorption ; organic matter ; rainwater ; surface active substances

Special Issue: Electroanalysis and the Environment

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Podaci o izdanju

19 (19-20)

2007.

2077-2084

objavljeno

1040-0397

1521-4109

Povezanost rada

Geologija, Kemijsko inženjerstvo

Indeksiranost