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Updated: Jun 28, 2026
10:44
Clean Sampling and Analysis of River and Estuarine Waters for Trace Metal Studies
Published on: July 1, 2016
Manganese detection in marine sediments: anodic vs. cathodic stripping voltammetry
Craig E Banks1, Jaanus Kruusma, Ryan R Moore
1Physical and Theoretical Chemistry Laboratory, Oxford University, South Parks Road, Oxford OX1 3QZ, UK.
Talanta
|October 31, 2008
Summary
Electroanalytical techniques for detecting manganese in marine sediments were assessed. Cathodic stripping voltammetry at a bare boron-doped diamond electrode proved reliable and selective for manganese analysis.
Area of Science:
- Environmental Science
- Analytical Chemistry
- Electrochemistry
Background:
- Manganese is a crucial element in marine ecosystems.
- Accurate detection of manganese in marine sediments is vital for environmental monitoring.
- Existing electroanalytical methods may lack sufficient sensitivity or reproducibility.
Purpose of the Study:
- To evaluate and compare three electroanalytical techniques for manganese detection in marine sediments.
- To identify a reliable and selective method for manganese quantification.
Main Methods:
- Anodic stripping voltammetry (ASV) using a bismuth-film-modified boron-doped diamond electrode.
- Cathodic stripping voltammetry (CSV) at a carbon paste electrode.
- Cathodic stripping voltammetry (CSV) at a bare boron-doped diamond electrode.
Main Results:
- ASV and CSV at a carbon paste electrode showed insufficient sensitivity and reproducibility for manganese detection.
- CSV at a bare boron-doped diamond electrode demonstrated reliability and selectivity.
- A limit of detection of 7.4 x 10(-7)M and sensitivity of 0.24AM(-1) were achieved with a 60s accumulation period using CSV at a bare boron-doped diamond electrode.
- The optimized method was successfully applied to analyze manganese content in marine sediments from Sibenik, Croatia.
Conclusions:
- Cathodic stripping voltammetry at a bare boron-doped diamond electrode is a suitable technique for sensitive and selective manganese determination in marine sediments.
- This method offers a reliable approach for environmental monitoring of manganese levels.
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