| Spike levels |
Recovery (%) and Coefficient of variation (%) |
| BJ |
CBJ |
SP |
| In (µg/mL) |
Nitrite |
Nitrate |
Nitrite |
Nitrate |
Nitrite |
Nitrate |
| 0.05 |
98.8 ± 1.2 |
99.1 ± 1.2 |
98.1 ± 1.3 |
97.9 ± 1.4 |
99.7 ± 1.3 |
99.9 ± 1.4 |
| 1.5 |
99.6 ± 1.6 |
97.8 ± 0.2 |
96.4 ± 0.4 |
97.2 ± 1.1 |
99.8 ± 0.4 |
99.7 ± 1.1 |
| 12.5 |
98.9 ± 0.2 |
103.5 ± 1.1 |
101.3 ± 0.7 |
96.2 ± 1.3 |
101.3 ± 0.7 |
99.7 ± 1.3 |
| 25 |
104.5 ± 0.4 |
99.8 ± 0.3 |
99.7 ± 0.8 |
99.9 ± 0.9 |
99.7 ± 0.8 |
99.9 ± 0.9 |
| 100 |
103.4 ± 0.9 |
98.6 ± 0.5 |
103.2 ± 0.9 |
98.7 ± 1.2 |
103.2 ± 0.9 |
99.7 ± 1.2 |
|
