Loading...
Please wait, while we are loading the content...
Similar Documents
L-Glutamine-assisted synthesis of flower-like NiO and ball-flower-like NiO/Ag as an electrochemical sensor for lead(II) detection
| Content Provider | Semantic Scholar |
|---|---|
| Author | Mahmoudian, Mohammad Reza Basirun, Wan Jefrey Zalnezhad, Erfan Ladan, Magaji Alias, Yatimah |
| Copyright Year | 2017 |
| Abstract | Flower-like NiO (F-NiO) and ball-flower-like NiO/Ag (BF-NiO–Ag) were synthesized in the presence of L-glutamine as an electrochemical sensor for lead(II) detection. The structure and morphology of the F-NiO and BF-NiO–Ag were studied by X-ray diffraction (XRD) and field emission scanning electron microscopy (FESEM). Energy dispersive X-ray confirmed the presence of Ag on the surface of the BF-NiO–Ag. The results confirmed that Ag+ was reduced to Ag metal in the presence of L-glutamine. The FESEM images confirmed the effect of L-glutamine and Ag on the morphology and the available surface area. Electrochemical impedance spectroscopy results confirmed the effect of the loaded Ag on the conductivity of the BF-NiO–Ag. Differential pulse voltammetry results gave a linear working range for the concentration of lead(II) between 1.5 and 10 nM with a LOD of 0.06 nM (S/N = 3). The sensitivity of this linear segment is 0.3 μA nM−1. The average recoveries, recovery percentage and relative standard deviation obtained from four determinations (n = 4) confirmed the feasibility of the proposed method for the quantitative detection of certain concentration ranges of Pb2+. |
| Starting Page | 30870 |
| Ending Page | 30878 |
| Page Count | 9 |
| File Format | PDF HTM / HTML |
| DOI | 10.1039/c7ra04201a |
| Volume Number | 7 |
| Alternate Webpage(s) | https://pubs.rsc.org/en/content/articlepdf/2017/ra/c7ra04201a |
| Alternate Webpage(s) | https://doi.org/10.1039/c7ra04201a |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
