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| Serum sample (ng mL−1) | The addition content (ng mL−1) | The detection content (ng mL−1) | RSD (%, n = 6) | Recovery (%) |
|---|---|---|---|---|
| 0.00 | 10.0 | 10.02, 9.99, 10.00, 9.97, 10.01 | 0.0192 | 99.98 |
| 100.0 | 99.92, 100.05, 100.12, 99.98, 100.07 | 0.0785 | 100.03 | |
| 300.0 | 299.92, 300.05, 299.97, 300.12, 300.08 | 0.0847 | 100.01 |
