Table 1.
The application of POMANS-MWCNT/GPE for simultaneous determination of UA and FA in real samples by standard addition method (n = 5).
| Sample | Spiked (μM) | Found (μM) | Recovery (μM) | RSD (%) | ||||
|---|---|---|---|---|---|---|---|---|
| UA | FA | UA | FA | UA | FA | UA | FA | |
| Human urine | 0 | 0 | 10.3 | ND | – | – | 2.7 | – |
| 5.0 | 3.0 | 15.1 | 2.9 | 98.7 | 96.7 | 2.1 | 2.4 | |
| 10.0 | 5.0 | 20.7 | 4.8 | 102.0 | 96.0 | 1.9 | 2.7 | |
| 15.0 | 10.0 | 24.9 | 10.3 | 98.4 | 103.0 | 1.9 | 2.3 | |
| 20.0 | 15.0 | 30.8 | 15.4 | 101.7 | 102.7 | 1.6 | 2.5 | |
| Human blood serum | 0 | 0 | 5.4 | ND | – | – | 3.6 | – |
| 5.0 | 3.0 | 10.2 | 3.1 | 98.1 | 103.3 | 1.7 | 2.1 | |
| 10.0 | 5.0 | 15.7 | 5.2 | 101.9 | 104.0 | 1.4 | 2.5 | |
| 15.0 | 10.0 | 21.3 | 10.3 | 104.4 | 103.0 | 1.8 | 2.9 | |
| 20.0 | 15.0 | 26.3 | 14.7 | 103.5 | 98.0 | 2.6 | 2.8 | |
RSD relative standard deviation, ND not detected.