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Recoveries for determination of riboflavin concentration in multivitamin/mineral supplements.
| Spiked values (μg/mL) | Recovery (% ± SD) |
||
|---|---|---|---|
| Sample 1 | Sample 2 | Sample 3 | |
| 0.25 | 98.2 ± 1.1 | 99.1 ± 0.2 | 101.4 ± 1.1 |
| 0.50 | 98.3 ± 0.9 | 99.3 ± 0.2 | 96.0 ± 0.4 |
| 1.0 | 100.0 ± 0.5 | 96.3 ± 1.3 | 98.8 ± 1.1 |
| Overall RSD (%) | 0.8 | 0.6 | 0.9 |
SD: standard deviation of three replicates.
RSD: relative standard deviation.
