Table 1 Results of the measurement quality assurance
From: Spatial patterns and temporal trends of trace elements in mosses from 1990 to 2020 in Germany
Element (in reference sample) | M2 | M3 | ||
|---|---|---|---|---|
Actual value mg/kg | Target value mg/kg | Actual value mg/kg | Target value mg/kg | |
Aluminium (Al) | 192 | 178 ± 15 | 173 | 169 ± 10 |
Arsenic (As) | 1.05 | 0.98 ± 0.07 | 0.10 | 0.105 ± 0.007 |
Cadmium (Cd) | 0.455 | 0.454 ± 0.019 | 0.106 | 0.106 ± 0.005 |
Chromium (Cr) | 1.03 | 0.97 ± 0.17 | 0.72 | 0.67 ± 0.19 |
Copper (Cu) | 68.8 | 68.7 ± 2.5 | 4.0 | 3.76 ± 0.23 |
Iron (Fe) | 226 | 262 ± 35 | 150 | 138 ± 12 |
Nickel (Ni) | 16.4 | 16.3 ± 0.9 | 0.9 | 0.95 ± 0.08 |
Lead (Pb) | 5.46 | 6.37 ± 0.43 | 3.46 | 3.33 ± 0.25 |
Antimony (Sb) | 0.20 | 0.21 ± 0.016 | 0.059 | 0.052 ± 0.007 |
Vanadium (V) | 1.54 | 1.43 ± 0.17 | 1.11 | 1.19 ± 0.15 |
Zinc (Zn) | 36.1 | 36.1 ± 1.2 | 26.2 | 25.4 ± 1.1 |
Mercury (Hg) | 0.091 | 0.058 ± 0.005 | 0.060 | 0.035 ± 0.004 |