Table 2 Raw material elementary analysis using ICP-MS
Elements | Apatite | Groundnut shells | Moringa oleifera seed |
|---|---|---|---|
Rare metals (ug/kg) | |||
 Boron (B) | 4886 | 14,040 | 3345 |
 Aluminium (Al) | 286,978 | 1,379,257 | 335,251 |
 Vanadium (V) | 857 | 2464 | 972 |
 Chromium (Cr) | 47,821 | 5375 | 13,577 |
 Manganese (Mn) | 29,085 | 49,766 | 13,797 |
 Iron (Fe) | 3,305,754 | 1,626,773 | 624,167 |
 Cobalt (Co) | 749 | 491 | 179 |
 Nickel (Ni) | 12,202 | 2585 | 2437 |
 Copper (Cu) | 14,339 | 9104 | 10,354 |
 Zinc (Zn) | 112,006 | 81,561 | 54,864 |
 Arsenic (As) | 612 | 249 | 79 |
 Selenium (Se) | 71 | 50 | 801 |
 Strontium (Sr) | 387,273 | 31,469 | 22,730 |
 Molybdenum (Mo) | 579 | 261 | 269 |
 Cadmium (Cd) | 67 | 30 | 54 |
 Tin (Sn) | 3083 | 593 | 232 |
 Antimony (Sb) | 125 | 21 | 19 |
 Barium (Ba) | 61,927 | 51,511 | 11,780 |
 Mercury (Hg) | 13 | 13 | 10 |
 Lead (Pb) | 6433 | 1479 | 947 |
Metals (mg/g) | |||
 Sodium (Na) | 4,435,644 | 80,587 | 30,317 |
 Magnesium (Mg) | 3,245,487 | 1,414,007 | 1,352,569 |
 Silicon (Si) | 115,349 | 302,102 | 398,638 |
 Phosphorous (P) | 108,054,240 | 1,083,471 | 7,167,605 |
 Potassium (K) | 343,351 | 2,654,548 | 777,148 |
 Calcium (Ca) | 221,203,248 | 4,871,463 | 3,061,091 |
Non-metals (%) | |||
 Nitrogen (N) | 3.72 | 1.11 | 4.36 |
 Carbon (C) | 20.01 | 44.58 | 54.18 |
 Hydrogen (H) | 4.41 | 8.59 | 10.41 |
 Sulphur (S) | 1.65 | 2.93 | 2.36 |