Table 5 Accuracy and precision of the proposed methods to quantify methamphetamine and pseudoephedrine in urine samples in one day and with three replicates
Analyte | Adsorbent | Spiked Concentration(mg/L) | Found Concentration (mg/L) | Recovery % | RSD% |
|---|---|---|---|---|---|
Methamphetamine | GO/PANI | 0.30 | 0.34 | 114.9 | 4.01 |
0.60 | 0.53 | 87.8 | 8.55 | ||
0.90 | 0.81 | 89.6 | 3.88 | ||
Methamphetamine | Fe3O4/C-nanodot/GO | 3.0 | 3.03 | 100.9 | 13.0 |
6.0 | 5.00 | 83.3 | 2.4 | ||
9.0 | 9.73 | 108.1 | 8.6 | ||
Pseudoephedrine | Fe3O4/C-nanodot/GO | 3.0 | 3.29 | 109.6 | 11.8 |
6.0 | 6.22 | 103.7 | 3.9 | ||
9.0 | 9.70 | 107.8 | 5.0 |