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Determination of UA concentrations in spiked urine samples.
| The content of UA | Spiked UA concentration Cs (μM) | Recovered UA concentration Ci–Co (μM) | Recovery (%) (n = 6) | Relative standard deviation (RSD) % (n = 6) |
|---|---|---|---|---|
| 289.06 | 100 | 93.36 | 93.36 | 1.02 |
| 200 | 202.04 | 101.02 | 0.98 | |
| 300 | 288.79 | 96.26 | 0.99 | |
| 400 | 408.24 | 102.06 | 1.15 | |
| 500 | 489.99 | 98.00 | 1.21 |
