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Title of article :
Manganese detection in marine sediments: anodic vs. cathodic stripping voltammetry
Author/Authors :
Banks، نويسنده , , Craig E. and Kruusma، نويسنده , , Jaanus and Moore، نويسنده , , Ryan R. and Tom??k، نويسنده , , Peter J. Peters، نويسنده , , Judith and Davis، نويسنده , , James and Komorsky-Lovri?، نويسنده , , ?ebojka and Compton، نويسنده , , Richard G.، نويسنده ,
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ماهنامه با شماره پیاپی سال 2005
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Abstract :
Three different electroanalytical techniques for the detection of manganese in marine sediments are evaluated. The anodic stripping voltammetry of manganese at an in situ bismuth-film-modified boron-doped diamond electrode and cathodic stripping voltammetry at a carbon paste electrode are shown to lack the required sensitivity and reproducibility whereas cathodic stripping voltammetry at a bare boron-doped diamond electrode is shown to be reliable and selective with a limit of detection, from applying a 60 s accumulation period of 7.4 × 10−7 M and a sensitivity of 0.24 A M−1. The method was used to evaluate the manganese content of marine sediments taken from Šibenik, Croatia.
Keywords :
Boron-doped diamond electrodes , Bismuth-film electrodes , Cathodic stripping voltammetry , Marine sediments , Anodic stripping voltammetry , Manganese
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