Table 1: EDXRF data Br, Fe, Rb, Sr, and Zn contents in the IAEA H-4 (animal muscle) reference material compared to certified values (mg/kg, dry mass basis).
Element | Certified values | This work results | ||
---|---|---|---|---|
Mean | 95% confidence interval | Type | Mean ± SD | |
Br | 4.1 | 3.5-4.7 | C | 5.0 ± 1.2 |
Cu | 4 | 3.6-4.3 | C | 3.9 ± 1.1 |
Fe | 49 | 47-51 | C | 48 ± 9 |
Rb | 18 | 17-20 | C | 22 ± 4 |
Sr | 0.1 | - | N | < 1 |
Zn | 86 | 83-90 | C | 90 ± 5 |
Mean: Arithmetical mean; SD: Standard Deviation; C: Certified values; N: Non-certified values.