Table 1.
Element | DL | Animal Serum NIST 1598a | Spiked Samples (%) | ||
---|---|---|---|---|---|
(µg L−1) | Certified Value (µg L−1) 1 | Recovery (%) | Plasma | Serum | |
As | 0.002 | (0.3) 2 | ND | 93.8 ± 7.4 | 84.2 ± 6.5 |
B | 0.001 | -- | 93.1 ± 5.2 | 95.8 ± 13.1 | |
Ba | 0.010 | -- | 91.0 ± 4.9 | 83.9 ± 4.1 | |
Ca | 0.020 | 96 ± 7 | 95 | 101.4 ± 3.8 | 99.8 ± 5.2 |
Cd | 0.011 | 0.048 ± 0.004 | 91 | 96.1 ± 5.7 | 99.1 ± 10.1 |
Co | 0.008 | 1.24 ± 0.07 | 93 | 88.8 ± 3.2 | 91.1 ± 1.7 |
Cr | 0.093 | 0.33 ± 0.08 | ND | 91.5 ± 8.2 | 96.4 ± 12.0 |
Cu | 0.130 | 1580 ± 90 | 95 | 91.1 ± 5.7 | 96.1 ± 5.7 |
Fe | 0.147 | 1680 ± 60 | 102 | 91.5 ± 8.2 | 95.8 ± 13.1 |
Hg | 0.050 | 0.32 ± 0.19 | 94 | 89.1 ± 8.4 | 84.2 ± 3.2 |
Li | 0.141 | -- | 88.1 ± 9.4 | 105.1 ± 11.0 | |
Mg | 0.050 | -- | 92.6 ± 5.2 | 96.1 ± 5.7 | |
Mn | 0.014 | 1.78 ± 0.33 | 103 | 91.5 ± 1.2 | 88.8 ± 4.4 |
Mo | 0.089 | 5.5 ± 1.0 | 98 | 96.1 ± 5.7 | 86.1 ± 8.7 |
Ni | 0.112 | 0.94 ± 0.18 | 97 | 97.1 ± 6.9 | 106.1 ± 5.7 |
P | 0.017 | (140) | 99 | 96.1 ± 5.7 | 101.3 ± 2.6 |
Pb | 0.022 | -- | 89.4 ± 11.9 | 89.4 ± 5.2 | |
Sb | 0.001 | 1.00 ± 0.15 | 105 | 93.1 ± 5.7 | 96.1 ± 5.7 |
Se | 0.023 | 134.4 ± 5.8 | 102 | 99.1 ± 7.7 | 98.1 ± 5.2 |
Sr | 0.015 | -- | 105.4 ± 4.8 | 99.5 ± 1.2 | |
Zn | 0.005 | 880 ± 24 | 98 | 91.5 ± 6.5 | 95.6 ± 6.7 |
1 except for Ca, Mg and P that are expressed in mg L−1; 2 in brackets only indicative values; ND: not detected; DL: detection limit.