Table 2 Relative standard deviations (RSDs) and recoveries for NO2- and NO3- from mosquito midgut spiked with 1–100 μM KNO2/KNO3 (mean ± SD, n= 6)
Concentration (μM) | NO2- | NO3- | ||||
|---|---|---|---|---|---|---|
Intra-Assay RSD (%) | Inter-Assay RSD (%) | Recovery (%) | Intra-Assay RSD (%) | Inter-Assay RSD (%) | Recovery (%) | |
0* | 8.3 | 8.9 | - | 4.2 | 5.6 | - |
1 | 8.8 | 9.3 | 94.4 ± 4.4 | 8.7 | 9.9 | 98.9 ± 2.2 |
2.5 | 7.1 | 9.8 | 98.2+6.6 | 7.2 | 8.5 | 98.5 ± 2.4 |
5 | 6.7 | 9.9 | 95.2 ± 2.9 | 3.9 | 5.9 | 97.1 ± 1.8 |
10 | 5.1 | 9.2 | 98.5 ± 3.1 | 3.1 | 2.9 | 99 ± 5.4 |
25 | 4.5 | 5.3 | 99.8 ± 1.9 | 2.2 | 3.0 | 100 ± 5.8 |
50 | 5.5 | 4.9 | 100.5 ± 3.2 | 2.9 | 2.6 | 94.5 ± 6.2 |
100 | 3.9 | 4.7 | 97.3 ± 2.9 | 1.2 | 4.1 | 94.7 ± 5.9 |