Table 1.
Original sample concentration (mg/L) | Added concentration (mg/L) | Recovered concentration (mg/L) | Recovery (%) | Average recovery (%) |
---|---|---|---|---|
0.89 | 2.89 | 2.85 | 98.50 | 101.30 |
8.59 | 8.66 | 100.80 | ||
18.5 | 19.35 | 104.60 |
Abbreviations: QD, quantum dot; POCT, fluorescence point-of-care test.