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Results of dilution integrity of N-acetyl-L-glutamine and hydroxysafflor yellow A (n = 6).
| Analytes | Dilution factor | Mean ± SD | RSD | RE |
|---|---|---|---|---|
| Hydroxysafflor yellow A | 50-fold | 9827.441 ± 234.840 | 2.39% | −1.73% |
| 200-fold | 9615.733 ± 202.626 | 2.11% | −3.84% | |
| N-acetyl-L-glutamine | 50-fold | 9538.954 ± 96.996 | 1.02% | −4.61% |
| 200-fold | 9390.746 ± 173.661 | 1.85% | −6.09% |
