Table 2.
Sulfate contents of 57 D.s.-SP batches sorted by their fluorescence intensity (FI) increase (%, see Figure 5a).
| FI increase (%) | ≤70 | >70 | ≤75 | >75 | ≤80 | >80 | ≤85 | >85 | ≤90 | >90 |
|---|---|---|---|---|---|---|---|---|---|---|
| n | 15 | 42 | 18 | 39 | 23 | 34 | 31 | 26 | 35 | 22 |
| Mean ± SD | 15.3 ± 5.3 | 20.1 ± 1.8 | 15.7 ± 4.9 | 20.2 ± 1.7 | 16.4 ± 4.6 | 20.4 ± 1.6 | 17.3 ± 4.3 | 20.7 ± 1.3 | 17.6 ± 4.2 | 20.7 ± 1.3 |
| Median | 15.8 | 20.6 | 16.8 | 20.9 | 17.2 | 21.0 | 18.6 | 21.1 | 18.8 | 21.2 |
| 10th percentile | 5.8 | 17.3 | 6.8 | 17.9 | 8.7 | 18.2 | 11.2 | 18.3 | 11.5 | 18.1 |
| 90th percentile | 21.6 | 21.7 | 21.5 | 21.7 | 21.5 | 21.8 | 21.6 | 21.7 | 21.6 | 21.9 |