New applications of boron-doped diamond electrode for voltammetric determination of ascorbic acid

• Authors: Ilona Sadok , Katarzyna Tyszczuk-Rotko , Agnieszka Szwagierek
• Languages of publication: EN

Abstracts

EN

An unmodified boron-doped diamond electrode was used for the voltammetric determination of ascorbic acid (AA). The measurements were carried out in an acetate buffer solution of pH = 4.6 by differential pulse voltammetry (DPV). Under the optimized experimental conditions, AA gaves linear response in a broad concentration range from 5 · 10–7 to 2· 10–3 mol/dm3. The detection limit was 1.63 · 10–7 mol/dm3. The proposed procedure was applied for simple and fast voltammetric determination of ascorbic acid in human urine samples and commercially available dietary supplements.

Keywords

EN

• Publisher: Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
• Journal: Annales Universitatis Mariae Curie-Skłodowska, sectio AA – Chemia
• Year: 2015
• Volume: 70
• Issue: 2

Dates

published

2015

online

2016-02-15

Contributors

author

Ilona Sadok

author

Katarzyna Tyszczuk-Rotko

author

Agnieszka Szwagierek

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Identifiers

DOI

10.17951/aa.2015.70.2.13