Parameter | Unit | S1 (n = 5) | S2 (n = 5) | S3 (n = 5) | Literature [6] |
---|---|---|---|---|---|
Carbon | % | 71.6 ± (13.7) | 57.5 ± (16.8) | 42.9 ± (9.6) | 40–75 |
Hydrogen | % | 0.9 ± (1.9) | 1.5 ± (2.9) | 2.3 ± (2.2) | 4.9–9.8 |
Nitrogen | % | 0.8 ± (1.1) | 0.2 ± (0.3) | 1.1 ± (0.7) | 0.03–4.1 |
Sulfur | % | 1.4 ± (0.8) | 24.6 ± (3.1) | 32.9 ± (10.5) | 0.1–0.5 |
Oxygen | % | 9.4 | 9.1 | 11.5 | – |