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Spike recovery of DMA and nitrite in pharmaceutical samples.
| Sample | DMA Recovery (%) | RSD (%) (n = 6) | Nitrite Recovery (%) | RSD (%) (n = 6) |
|---|---|---|---|---|
| 1 | 104 | 2.6 | 96.6 | 1.2 |
| 2 | 96.0 | 2.3 | 96.9 | 2.1 |
| 3 | 100 | 1.8 | 101 | 1.1 |
| 4 | 101 | 1.7 | 100 | 2.7 |
| 5 | 104 | 1.4 | 100 | 2.6 |
| 6 | 104 | 2.6 | 98.1 | 2.6 |
| 7 | 96.3 | 2.7 | 100 | 2.1 |
