Open Access
Table 1
Cadmium and lead concentrations in certified reference materials, and accuracy and detection limits determined by ICP-MS analyses.
| Metal | Standard reference material |
Detection limit mg kg−1 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| CRM–NIST 1640 – Trace elements in natural water |
HISS-1 – Marine sediments |
Dogfish muscle-DORM2 |
||||||||
| Certified value (mg L−1) | Recovered value (mg L−1) | Accuracy (%) | Certified value (mg kg−1 dry wt) | Recovered value (mg kg−1 dry wt) | Accuracy (%) | Certified value (mg kg−1 wet wt) | Recovered value (mg kg−1 wet wt) | Accuracy (%) | ||
| Cd | 3.961 ± 0.072 | 3.848 ± 0.064 | 97.14 | 0.024 ± 0.009 | 0.022 ± 0.003 | 91.66 | 0.043 ± 0.008 | 0.042 ± 0.003 | 97.67 | 0.003 |
| Pb | 12.005 ± 0.040 | 11.526 ± 0.105 | 99.00 | 3.140 ± 0.04 | 3.008 ± 0.057 | 95.79 | 0.065 ± 0.007 | 0.063 ± 0.006 | 96.92 | 0.006 |
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