Table 2.
Concentrations (mg/L) of added standards in each step of standard addition procedure
| Sample |
|||
|---|---|---|---|
| Observations | Rifampicin | Isoniazid | Pyrazinamide |
| a | 0 | 0 | 0 |
| b | 1.5 | 1.5 | 1.5 |
| c | 3 | 3 | 3 |
| d | 4.5 | 4.5 | 4.5 |
| e | 6 | 6 | 6 |
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