Table 2 Accuracy of elemental concentrations in certified reference material of durum wheat grain (CRM 8436) measured after micro-scaled digestion.
From: Micro-scaled high-throughput digestion of plant tissue samples for multi-elemental analysis
Element | Certified reference concentration μg g-1 | Sample quantity, mg | |||||
|---|---|---|---|---|---|---|---|
| Â | Â | 1 | 2 | 5 | 10 | 15 | 20 |
| Â | Â | Accuracy (% of certified reference concentration) | |||||
K | 3180 ± 140 | 60 ± 1 | 91 ± 3 | 98 ± 2 | 93 ± 3 | 96 ± 2 | 96 ± 2 |
P | 2900 ± 220 | 97 ± 2 | 84 ± 1 | 97 ± 2 | 90 ± 3 | 89 ± 1 | 89 ± 1 |
S | 1930 ± 280 | 207 ± 4 | 123 ± 4 | 98 ± 2 | 86 ± 5 | 87 ± 2 | 87 ± 2 |
Mg | 1070 ± 80 | 107 ± 4 | 97 ± 2 | 95 ± 1 | 95v2 | 99 ± 4 | 98 ± 1 |
Fe | 41.5 ± 4 | 133 ± 20 | 97 ± 3 | 98 ± 7 | 92 ± 2 | 91 ± 2 | 91 ± 2 |
Mn | 16 ± 1 | 96 ± 1 | 97 ± 1 | 97 ± 2 | 86 ± 2 | 93 ± 2 | 93 ± 2 |
Zn | 12.5 ± 0.3 | 110 ± 2 | 99 ± 3 | 98 ± 1 | 97 ± 3 | 98 ± 3 | 98 ± 1 |
Cu | 4.3 ± 0.69 | 45 ± 1 | 77 ± 5 | 91 ± 6 | 94 ± 6 | 97 ± 4 | 97 ± 4 |
Se | 1.23 ± 0.09 | 100 ± 2 | 92 ± 4 | 93 ± 1 | n.d. | n.d. | n.d. |
Mo | 0.7 ± 0.12 | 108 ± 13 | 98 ± 2 | 91 ± 2 | 102 ± 9 | 101 ± 7 | 92 ± 4 |
Cd | 0.11 ± 0.05 | 137 ± 4 | 108 ± 2 | 95 ± 1 | n.d. | n.d. | n.d. |