Table 1 Results of the Quality Control on IAEA air filter samples (μg g -1 )
Element | Measured value | Certified value | Average value | |
|---|---|---|---|---|
mean ± s.d. | mean | mean | 2σ (%) | |
As | 4.9±0.5 | 5.6 | 4.59 | 43 |
Au | 1.26±0.10 | 1.15 | 1.06 | 21 |
Ba | 43.4±0.5 | 53.8 | 39.05 | 40 |
Cd | 10.6±1.0 | 9.96 | 9.8 | 18 |
Co | 1.3±0.1 | 1.12 | 1.18 | 38 |
Cr | 4.7±0.8 | 5.6 | 4.8 | 13 |
Cu | 51.6±0.5 | 48.8 | 44.8 | 16 |
Fe | 193±17 | 207.9 | 200.1 | 8 |
Mn | 31.2±1.0 | 31.9 | 30.1 | 14 |
Mo | 1.26±0.2 | 1.14 | 1.56 | 70 |
Se | 1.01±0.10 | 1.06 | 1.01 | 11 |
U | 0.78±0.10 | 1.02 | 0.99 | 14 |
V | 8.04±0.35 | 8.00 | 7.2 | 16 |
Zn | 132±18 | 152 | 141 | 12 |