TABLE 2.
Results for determination of SO32– in food samples.
| Sample | Single value (μmol/L) | Average (μmol/L) |
Content (g/kg) | Added (μmol/L) |
Found (μmol/L) |
Recovery (%) | RSD (%) |
| Pineapple beer | 2.54 2.53 2.66 2.54 2.44 |
2.55 | 5.10 × 10–3 | 0.500 | 2.98 | 97.7 | 3.80 |
| 1.00 | 3.69 | 104 | 4.10 | ||||
| Draft beer | 3.28 3.42 3.56 3.31 3.58 |
3.43 | 0.0180 | 0.500 | 4.08 | 104 | 2.80 |
| 1.00 | 4.30 | 97.1 | 2.40 | ||||
| Fruit and vegetable juice | 1.81 1.80 1.88 1.78 1.73 |
1.80 | 0.230 | 0.500 | 2.43 | 106 | 2.10 |
| 1.00 | 2.75 | 98.1 | 3.80 | ||||
| Apple cider vinegar | 0.98 1.07 0.97 1.05 1.00 |
1.02 | 0.0130 | 0.500 | 1.54 | 103 | 4.80 |
| 1.0 | 2.11 | 106 | 3.50 |