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Inorganic elemental composition (concentration) of RH and RB (%) determined by XRF analysis.
| Sample | Na | Mg | Al | Si | P | S | Cl | K | Ca | Ti | Cr | Mn | Fe | Ni | Cu | Zn |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RH (%) | 0.01 | 0.06 | 0.01 | 12.92 | 0.15 | 0.08 | 0.28 | 1.56 | 0.4 | 0.01 | 0.02 | 0.21 | 0.13 | 0.02 | 0.01 | 0.02 |
| RB (%) | 0.11 | 0.1 | 0.07 | 6.30 | 0.15 | 0.11 | 1.45 | 3.26 | 1.57 | 0.04 | 0.01 | 0.3 | 0.4 | 0.01 | 0.02 | 0.19 |
