Ceramic composite electrode for the determination of selenium(IV) by stripping voltammetry
β Scribed by N. Yu. Stozhko; E. I. Morosanova; L. I. Kolyadina; S. V. Fomina
- Book ID
- 110211442
- Publisher
- SP MAIK Nauka/Interperiodica
- Year
- 2006
- Tongue
- English
- Weight
- 224 KB
- Volume
- 61
- Category
- Article
- ISSN
- 1061-9348
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π SIMILAR VOLUMES
A continuous method for the determination of selenium based on flow-injection anodic stripping voltammetry is proposed. After the deposition/preconcentration of Se(W) on a gold working electrode at an applied voltage of -0.4 V, an anodic scan from -0.4 to 1.16 V was applied, whereby the selenium was
Using a copper microelectrode of Γ5-mm diameter, the concentration of Se(IV) was determined by cathodic stripping voltammetry either from HClO 4 (0.1 M) or from NaClO 4 (0.1 M) supporting electrolytes. The preconcentration time of 15 s was chosen as optimal, and calibration graphs were constructed f