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Amount of DMA and nitrite in pharmaceutical samples, ppm (μg/g API).
| Sample | DMA | RSD (%) (n = 6) | Nitrite | RSD (%) (n = 6) |
|---|---|---|---|---|
| 1 | <LOD | NA | <LOD | NA |
| 2 | 371 | 1.8 | 27.0 | 2.3 |
| 3 | 27.3 | 0.6 | 17.6 | 2.0 |
| 4 | 48.7 | 1.1 | 16.2 | 2.3 |
| 5 | 42.6 | 1.8 | 6.86 | 2.8 |
| 6 | <LOD | NA | 4.45 | 2.9 |
| 7 | 18.3 | 2.4 | 95.5 | 1.4 |
