Determination of As(III) and As(V) in waters by chronopotentiometric stripping analysis | Zendy

Jaroslava ŠvarcGajić | Zendy; Zvonimir Suturović | Zendy; Nikola Marjanović | Zendy; Snežana Kravić | Zendy

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Determination of As(III) and As(V) in waters by chronopotentiometric stripping analysis

Author(s) -

Jaroslava ŠvarcGajić,

Zvonimir Suturović,

Nikola Marjanović,

Snežana Kravić

Publication year - 2006

Publication title -

acta periodica technologica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.134

H-Index - 15

eISSN - 2406-095X

pISSN - 1450-7188

DOI - 10.2298/apt0637107s

Subject(s) - stripping (fiber) , arsenic , electrolysis , tap water , environmental chemistry , detection limit , population , anodic stripping voltammetry , chemistry , electrode , environmental science , environmental engineering , materials science , chromatography , electrolyte , electrochemistry , demography , organic chemistry , sociology , composite material

Arsenic is a naturally occurring toxic and carcinogenic element. The degree of the toxicity depends on its chemical form and the concentration. Application of a sensitive, selective, simple and rapid method for detection and monitoring of different oxidation states of arsenic in waters is of great importance because main route of population exposure is through drinking water. In this work chronopotentiometric stripping analysis (CSA) was used for the determination of As(III) and As(V) in tap, well, river and rain waters from Vojvodina (Serbia). Gold film electrode on the glassy carbon support was used as the working electrode. The experimental parameters of the technique were investigated and optimized. Detection limit of the method for the electrolysis time of 600 s was 2 μg/dm3 of As(III)

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