Table 2 Recoveries of TET from milk samples (n = 5)
The proposed method | HPLC method | |||||
|---|---|---|---|---|---|---|
Sample | Added (ng/mL) | Found (ng/mL) | RSD (%) | Recovery (%) | Found (ng/mL) | Recovery (%) |
1 | 0 | 1.15 | 0.9 | – | – | – |
2 | 20 | 19.5 | 8.5 | 97.7 | 21.1 | 105.3 |
3 | 50 | 52.7 | 6.5 | 105.3 | 49.2 | 98.4 |
4 | 100 | 114.6 | 4.5 | 114.6 | 108.0 | 108.0 |
5 | 200 | 223.3 | 2.9 | 111.6 | 208.8 | 104.4 |
6 | 500 | 493.7 | 2.8 | 98.8 | 490.8 | 98.2 |