From: Micro-scaled high-throughput digestion of plant tissue samples for multi-elemental analysis
Element | Certified reference concentration μg g-1 | Sample quantity, mg | |||||
---|---|---|---|---|---|---|---|
 |  | 1 | 2 | 5 | 10 | 15 | 20 |
 |  | Accuracy (% of certified reference concentration) | |||||
K | 15170 ± 370 | 95 ± 3 | 94 ± 3 | 95 ± 2 | 103 ± 1 | 102 ± 1 | 104 ± 1 |
P | 8360 ± 450 | 101 ± 0.5 | 101 ± 0.6 | 101 ± 0.5 | 97 ± 1 | 95 ± 1 | 96 ± 2 |
S | 7950 ± 410 | 121 ± 2 | 91 ± 0.4 | 91 ± 0.3 | 97 ± 1 | 96 ± 1 | 96 ± 2 |
Na | 2100 ± 80 | 98 ± 6 | 91 ± 3 | 99 ± 3 | 119 ± 9 | 120 ± 8 | 112 ± 4 |
Mg | 960 ± 95 | 99 ± 0.7 | 103 ± 0.6 | 100 ± 0.8 | 107 ± 1 | 107 ± 1 | 109 ± 2 |
Ca | 145 ± 20 | 110 ± 9 | 110 ± 10 | 117 ± 2 | n.d. | n.d. | n.d. |
Zn | 142 ± 14 | 98 ± 4 | 95 ± 4 | 100 ± 2 | 105 ± 1 | 104 ± 2 | 105 ± 3 |
Fe | 71.2 ± 9.2 | 99 ± 4 | 95 ± 10 | 98 ± 2 | 101 ± 2 | 100 ± 2 | 100 ± 3 |
Cu | 2.84 ± 0.45 | 109 ± 3 | 91 ± 3 | 102 ± 3 | 95 ± 2 | 95 ± 0 | 98 ± 3 |
Mo | 0.08 ± 0.06 | 175 ± 34 | 131 ± 14 | 105 ± 5 | n.d. | n.d. | n.d. |
Se | 0.076 ± 0.01 | 108 ± 6 | 97 ± 4 | 102 ± 2 | n.d. | n.d. | n.d. |