Samples | Initial concentration (mg mL−1) | Spiked levels (mg mL−1) | The prepared fluorescence sensor | HPLC | ||
---|---|---|---|---|---|---|
Found (mg mL−1) | Recovery (%, Mean ± SD, n = 3) | Found (mg mL−1) | Recovery (%, Mean) | |||
Raw milk | 0.34 | 0.10 | 0.42 | 93.8 ± 4.1 | 0.42 | 93.4 |
0.20 | 0.50 | 87.9 ± 3.0 | 0.51 | 90.0 | ||
0.40 | 0.74 | 98.4 ± 4.3 | 0.73 | 96.1 | ||
Infant formula | 0.25 | 0.10 | 0.33 | 90.2 ± 2.5 | 0.32 | 86.5 |
0.20 | 0.41 | 86.0 ± 5.8 | 0.42 | 89.8 | ||
0.40 | 0.63 | 92.6 ± 4.3 | 0.64 | 94.5 |