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| Content Provider | Springer Nature Link |
|---|---|
| Author | van der Horst, Charlton Silwana, Bongiwe Iwuoha, Emmanuel Gil, Eric Somerset, Vern |
| Copyright Year | 2016 |
| Abstract | Bismuth-silver bimetallic nanoparticles glassy carbon electrode (Bi-AgNPs/GCE) was employed for the determination of ascorbic acid (AA) in fruit and pharmaceutical samples. In this study, the Bi-AgNPs/GCE showed excellent electrochemical catalytic activities toward AA oxidation compared with bare GCE. Ascorbic acid gave a sensitive oxidation peak at 0.23 V using differential pulse voltammetry. Under optimized experimental conditions, the limit of detection for AA was 0.16 μM (for S/N = 3), the analytical range for AA was between 0.4 and 1.2 μM (R $^{2}$ = 0.994) and the RSD was 5.84 % (n = 10). The proposed method showed good stability, reproducibility, and repeatability as well as good recovery in fruit and pharmaceutical samples. |
| Starting Page | 2560 |
| Ending Page | 2566 |
| Page Count | 7 |
| File Format | |
| ISSN | 19369751 |
| Journal | Food Analytical Methods |
| Volume Number | 9 |
| Issue Number | 9 |
| e-ISSN | 1936976X |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2016-02-23 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Bismuth-silver bimetallic nanoparticles Ascorbic acid Differential pulse voltammetry Fruit samples Pharmaceutical samples Food Science Chemistry/Food Science Microbiology Analytical Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Analytical Chemistry Safety Research Safety, Risk, Reliability and Quality Applied Microbiology and Biotechnology Food Science |
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