Table 1.
Elemental analysis of PRME by AAS and ICP-MS
| AAS | ICP-MS | ||||
|---|---|---|---|---|---|
| Elements | PPM level | Elements | PPM level | Elements | PPM level |
| Calcium | 25,224.95 ± 0.13 | Strontium | 97.42 ± 0.020 | Aluminum | 510.94 ± 0.041 |
| Potassium | 1299.99 ± 0.19 | Chromium | 2.96 ± 0.025 | Iron | 138.97 ± 0.043 |
| Magnesium | 885.54 ± 0.51 | Nickel | 5.13 ± 0.015 | Lead | 0.68 ± 0.01 |
| Sodium | 499.80 ± 0.26 | Zinc | 5.98 ± 0.07 | Lithium | 0.98 ± 0.02 |
| Phosphorus | 351.12 ± 0.14 | Barium | 67.17 ± 0.015 | Cobalt | 0.20 ± 0.005 |
| Manganese | 13.59 ± 0.40 | Selenium | 0.29 ± 0.005 | Beryllium | ND |
| Copper | 9.52 ± 0.05 | Cadmium | 0.98 ± 0.005 | Arsenic | ND |
| Cesium | 0.02 ± 0.005 | Indium | ND | ||
| Titanium | 0.08 ± 0.005 | Silver | ND | ||
Where; ppm parts per million, PRME Pterospermum rubiginosum methanolic bark extract; values are expressed as mean ± standard deviation (n = 3)