Table 3.
ICP-MS precision and accuracy of the method.
Elements | LOQ (μg kg−1) | reference material measured value (mg kg−1) | reference material certified value (mg kg−1) |
---|---|---|---|
Fe | 0.64 | 311 ± 17 | 330 ± 20 |
Zn | 23.5 | 30 ± 3 | 32 ± 2 |
Ca | 12.5 | 6088 ± 338 | 6700 ± 400 |