Table 2.
Determination of VB2 in leachate of compound vitamin B tablet or milk.
| Sample | Addeda (μM) | Found (μM) | RSD (%, n = 3) | Recovery (%) |
|---|---|---|---|---|
| leachate of compound vitamin B tablet | 0 | 0.318 | 2.5 | – |
| 1.00 | 0.947 | 3.5 | 94.7 | |
| 5.00 | 5.09 | 4.5 | 101 | |
| 10.0 | 9.96 | 0.46 | 99.6 | |
| Milk | 1.00 | 0.942 | 2.7 | 94.2 |
| 5.00 | 5.10 | 3.4 | 102 | |
| 10.0 | 9.95 | 2.6 | 99.5 |
a
The real samples were first spiked with the targets VB2 and then diluted with the supporting electrolyte solution by a factor of 100. The indicated concentration was obtained after dilution.