| Elements | Certified values | MWD | Tvaluea | % Recoveryb |
| CRM of whole serum (mg/L) | ||||
| Iron | 1.30 ± 0.3 | 1.286 ± 0.087 (7.65) | 0.824 | 98.9 |
| Copper | 1.2 ± 0.2 | 1.194 ± 0.074 (6.20) | 0.855 | 99.5 |
| Zinc | 0.97 ± 0.01 | 0.965 ± 0.019 (1.97) | 0.376 | 99.5 |
| Nickel | ------- | ------ | ------ | ---------- |
| Cadmium | ------- | ------ | ------ | ---------- |
| CRM of whole blood (mg/L) | ||||
| Iron | 14.2 ± 3.24 | 14.15 ± 0.76 (5.37) | 0.935 | 99.6 |
| Coppere | 13.9 ± 2.7 | 13.85 ± 0.97 (7.00) | 0.910 | 99.6 |
| Zinc | 2.27 ± 0.06 | 2.24 ± 0.05 (2.23) | 0.304 | 98.7 |
| Nickele | 7.5 ± 1.8 | 7.45 ± 0.56 (7.51) | 0.106 | 99.3 |
| Cadmiume | 1.2 ± 0.4 | 1.185 ± 0.105 (8.86) | 0.095 | 98.7 |
| CRM of human hair (µg/g) | ||||
| Iron | 580.0 ± 10 d | 576.0 ± 21.0 (3.64) | 0.657 | 99.3 |
| Copper | 110 ± 5 f | 109.5 ± 4.33 (3.95) | 0.838 | 99.5 |
| Zinc | 199 ± 5 | 198.5 ± 10.0 (5.04) | 0.872 | 99.7 |
| Nickel | 46.0 ± 1.4f | 45.82 ± 1.06 2.31) | 0.559 | 99.6 |
| Cadmium | 0.52 ± 0.024 | 0.516 ± 0.027 (5.23) | 0.198 | 99.2 |