Composition ratio | Chemical analysis | LIBS standard deviation (%) | |||
No correction (IMg1/IMg2: 4 - 24) | Corrected (IMg1/IMg2: 4 - 24) | Corrected (IMg1/IMg2: 4 - 8) | Corrected (IMg1/IMg2: 12 - 24) | ||
C/SiO2 | 0.383 | 34 | 17 | 11 | 17 |
Al2O3/SiO2 | 0.558 | 48 | 20 | 4.9 | 14 |
Fe2O3/SiO2 | 0.137 | 27 | 8.9 | 3.7 | 9.3 |
CaO/SiO2 | 0.017 | 44 | 27 | 10 | 22 |