Table 4 Analysis of real samples (Tap and Mineral Waters) by the modified electrode.
Sample | Added NH4 + (µM) | Found by p-AAQ/MWCNT/Ag/CPE (µM) | Recovery (%) |
|---|---|---|---|
Tap water | 5 | 4.8 | 96 |
20 | 21.3 | 106 | |
Mineral water | 5 | 5.17 | 103 |
20 | 18.98 | 95 |
Sample | Added NH4 + (µM) | Found by p-AAQ/MWCNT/Ag/CPE (µM) | Recovery (%) |
|---|---|---|---|
Tap water | 5 | 4.8 | 96 |
20 | 21.3 | 106 | |
Mineral water | 5 | 5.17 | 103 |
20 | 18.98 | 95 |
