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Analyses and recovery of the certified reference materials (DORM-2)
| Metal | Reference value DORM-2 (mg.kg -1 ) | Mean of obtained values (mg.kg -1 ) | Recovery (%) | n |
|---|---|---|---|---|
|
Cd |
0.043 ± 0.008 |
0.04 |
97% |
3 |
|
Hg |
4.64 ± 0.26 |
4.83 |
104% |
3 |
|
Pb |
0.065 ± 0.007 |
0.07 |
104% |
3 |
| Se | 1.4 ± 0.09 | 1.39 | 99% | 3 |
