| Period of production | 01/2023-01/2024 |
|---|---|
| Certified application class | EBC-AgroOrganic |
| Pyrolysis feedstock | Rice husk |
| Mineral additives | None |
| Highest treatment temperature attained in the pyrolysis | 600.0 °C |
| Bulk density (for particle size < 3mm, dry) | 166.0 kg m-3 kg m-3 |
| C-sink potential | 37.5 % |
| Organic Carbon content (Corg) | 51.4 | % |
|---|---|---|
| H/C org ratio | 0.2 | |
| Total Nitrogen | 8.6 | g/kg |
| Phosphorus in P2O5 | 2.0 | g/kg |
| Potassium as K2O | 7.9 | g/kg |
| Calcium in CaO | 2.8 | g/kg |
| Magnesium in MgO | 1.2 | g/kg |
| pH (in CaCl) | 9.6 | |
| Water Holding Capacity (WHC) | 148.2 | % |
| Water content at filling | 15.1 | % |
| Specific Surface Area | 258.6 | m2 g-1 m2 g-1 |
| Iron (Fe) | 0.5 | g/kg |
| Lead (Pb) | < 2 | mg/kg |
| Cadmium (Cd) | < 0.2 | mg/kg |
| Copper (Cu) | 4 | mg/kg |
| Nickel (Ni) | 5 | mg/kg |
| Mercury (Hg) | < 0.07 | mg/kg |
| Zinc (Zn) | 33 | mg/kg |
| Chromium (Cr) | 19 | mg/kg |
| Silver (Ag) | < 5 | mg/kg |
| Conductivity of the milled biochar at 1.2 t pressure | 42 | mS/cm |
| Total 8 EFSA-PAH excl. LOQ | (n. c.) not calculable | mg/kg |
| Total carbon | 51.4 | % (w/w) |
| Hydrogen | 1.0 | % (w/w) |
| Oxygen | 2.9 | % (w/w) |
| Sulphur as SO3 | 0.1 | % (w/w) |
| Ash content (550°C) | 44.3 | % (w/w) |