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| Spike level (ug/L) | Repeatability | Intermediated precision | ||
|---|---|---|---|---|
| Recovery (%) | RSD (%) | Recovery (%) | RSD (%) | |
| 0.025 | 92.9 | 2.8 | 99.3 | 6.3 |
| 0.1 | 94.5 | 8.1 | 94.6 | 11.6 |
| 1 | 89.5 | 7.7 | 92.3 | 6.7 |
| 10 | 106.7 | 8.2 | 101.6 | 7.8 |
| 20 | 102.1 | 10.1 | 100.3 | 7.7 |
RSD, relative standard deviation.
