Table 1. Recovery experiments of determination of biotin in infant formula samples.
| Biotin addition (ng/ml) | Measured amount (ng/ml) | Recovery rate (%) |
|---|---|---|
| 0 | 16 | - |
| 10 | 25.35 | 93.5 |
| 100 | 114.79 | 98.8 |
| 200 | 223.47 | 103.7 |
| 500 | 535.92 | 104.0 |
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