Mercury Films on Commercial Carbon Screen-Printed Devices for the Analysis of Heavy Metal Ions: a Critical Evaluation

Mercury Films on Commercial Carbon Screen-Printed Devices for the Analysis of Heavy Metal Ions: a Critical Evaluation

The suitability of mercury films on commercial screen‐printed electrodes for the analysis of heavy metal ions is critically tested for the particular case of Pb(II)‐ions. Although determination is possible by anodic stripping voltammetry with a reasonable detection limit (8.9 µg L−1), important draw...

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Veröffentlicht in:Electroanalysis (New York, N.Y.) N.Y.), 2015-06, Vol.27 (6), p.1345-1349
Hauptverfasser: Pérez-Ràfols, Clara, Serrano, Núria, Díaz-Cruz, José Manuel, Ariño, Cristina, Esteban, Miquel
Format: Artikel
Sprache:eng
Schlagworte:
Anodic stripping
Anodic stripping voltammetry
Anàlisi electroquímica
Carbon
Deposition
Devices
Electrochemical analysis
Electrodes
Heavy metals
Mercury (metal)
Mercury film
Pb(II)-ions
Screen-printed electrodes
Voltammetry
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Beschreibung
Zusammenfassung:The suitability of mercury films on commercial screen‐printed electrodes for the analysis of heavy metal ions is critically tested for the particular case of Pb(II)‐ions. Although determination is possible by anodic stripping voltammetry with a reasonable detection limit (8.9 µg L−1), important drawbacks are noticed as a consequence of the heterogeneous deposition of mercury on the rough surface of screen‐printed devices.
ISSN:1040-0397
1521-4109
DOI:10.1002/elan.201500042