Voltammetric determination of vitamin B6 in the presence of vitamin C based on zinc ferrite nano-particles modified screen-printed graphite electrode
Peyman Mohammadzadeh Jahani, Maedeh Jafari, Sayed Ali Ahmadi
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Abstract
The zinc ferrite nano-particles (ZnFe 2 O 4 ) modified screen-printed graphite electrode (ZnFe 2 O 4 /SPGE) was used for the voltammetric determination of vitamin B 6 in real samples, using differential pulse voltammetry (DPV). It has been found that the oxidation of vitamin B 6 at the surface of such an electrode occurs at a potential about 150 mV less positive compared to an unmodified screen-printed graphite electrode. After optimization, a vitamin B6 sensor with a linear range from 0.8 to 585.0 μM and a detection limit of 0.17 μM. The ZnFe 2 O 4 /SPGE sensor exhibits good resolution between the voltammetric peaks of vitamin B 6 and vitamin C, making it suitable for detecting vitamin B 6 in the presence of vitamin C in real samples.
Keywords
Identifiers
- PubMed
- 37325119
- Journal
- ADMET & DMPK
- Year
- 2023