| Sampling of the crystals | Bromine concentration ( molar fraction) |
| CsI:Br 10−2 M | 0.75 × 10−2 ± 0.02 × 10−2 |
| CsI:Br 5 × 10−2 M | 4.32 × 10−2 ± 0.12 × 10−2 |
| CsI:Br 10−1 M | 0.91 × 10−1 ± 0.02 × 10−1 |
| CsI:Br 1.5 × 10−1 M | 1.41 × 10−1 ± 0.04 × 10−1 |
| pure CsI | ND |