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izvor podataka: crosbi

Identification and on line monitoring of reduced sulphur species(RSS) by voltammetry in oxic waters (CROSBI ID 191173)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Superville, Pierre-Jean ; Pižeta, Ivanka ; Omanović, Dario ; Billon, Gabriel Identification and on line monitoring of reduced sulphur species(RSS) by voltammetry in oxic waters // Talanta, 112 (2013), 55-62. doi: 10.1016/j.talanta.2013.03.045

Podaci o odgovornosti

Superville, Pierre-Jean ; Pižeta, Ivanka ; Omanović, Dario ; Billon, Gabriel

engleski

Identification and on line monitoring of reduced sulphur species(RSS) by voltammetry in oxic waters

Based on automatic on-line measurements on the Deûle River that showed daily variation of a peak around −0.56 V (vs Ag|AgCl 3 M), identification of Reduced Sulphur Species (RSS) in oxic waters was performed applying cathodic stripping voltammetry (CSV) with the hanging mercury drop electrode (HMDE). Pseudopolarographic studies accompanied with increasing concentrations of copper revealed the presence of elemental sulphur S(0), thioacetamide (TA) and reduced glutathione (GSH) as the main sulphur compounds in the Deûle River. In order to resolve these three species, a simple procedure was developed and integrated in an automatic on-line monitoring system. During one week monitoring with hourly measurements, GSH and S(0) exhibited daily cycles whereas no consequential pattern was observed for TA.

reduced sulphur species; voltammetry; pseudopolarography; on-line monitoring

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Podaci o izdanju

112

2013.

55-62

objavljeno

0039-9140

10.1016/j.talanta.2013.03.045

Povezanost rada

Geologija, Kemija

Poveznice
Indeksiranost