Multi-Walled Carbon Nanotubes and Copper Oxide Nanoparticles Composite Used as Transducer Medias in Nitrate Ion-Selective Electrodes
Artykuł w czasopiśmie
MNiSW
100
Lista 2024
| Status: | |
| Autorzy: | Morawska Klaudia, Malinowski Szymon, Krawczyk Joanna, Wardak Cecylia |
| Dyscypliny: | |
| Aby zobaczyć szczegóły należy się zalogować. | |
| Rok wydania: | 2024 |
| Wersja dokumentu: | Drukowana | Elektroniczna |
| Język: | angielski |
| Numer czasopisma: | 8 |
| Wolumen/Tom: | 171 |
| Numer artykułu: | 087511 |
| Strony: | 1 - 10 |
| Impact Factor: | 3,1 |
| Web of Science® Times Cited: | 0 |
| Scopus® Cytowania: | 0 |
| Bazy: | Web of Science | Scopus |
| Efekt badań statutowych | NIE |
| Materiał konferencyjny: | NIE |
| Publikacja OA: | TAK |
| Licencja: | |
| Sposób udostępnienia: | Witryna wydawcy |
| Wersja tekstu: | Ostateczna wersja opublikowana |
| Czas opublikowania: | W momencie opublikowania |
| Data opublikowania w OA: | 14 sierpnia 2024 |
| Abstrakty: | angielski |
| To improve the performance of nitrate solid contact ion-selective electrodes, their design was modified with a composite material consisting of multi-walled carbon nanotubes and copper oxide nanoparticles. The nanocomposite was used in the electrodes as a component of the ion-sensitive membrane (GCE/NC+ISM) and as a solid contact material applied by drop casting (GCE/NC/ISM). A series of comparative studies were conducted to determine which type of modification more favorably affected the performance of each electrode. A classical glassy carbon electrode with a membrane without a nanocomposite was used as a control electrode. The best electrode turned out to be the one in which transducer media in the form of a composite was implemented into the membrane. For the GCE/NC+ISM electrode, the highest sensitivity of 60.41 mV/decade, the lowest detection limit of 5.13 × 10−7 M, and the widest linearity range of 1 × 10−6–1 × 10−1 M were obtained. The presence of the nanocomposite in the membrane contributed to a significant improvement in electrical performance relative to the unmodified electrode, which in turn resulted in obtaining good potential reversibility and low potential drift—0.085 μV s−1. The prepared electrode was used to determine the concentration of nitrates in environmental water samples. |
