Table 1.
Sample | Decomposition temperature (°C) | Loss weight (%) | Degradation temperature (°C) | ΔH (J/g) | ||
---|---|---|---|---|---|---|
Tid | Tm | 1st peak | 2nd peak | |||
F0 | 80.00 ± 1.60a | 290.00 ± 5.80a | 93.10 ± 1.86e | 125.40 ± 2.51 | 186.20 ± 3.72b, c | 186.50 ± 3.73a |
F5 | 83.00 ± 1.78a, b | 293.00 ± 6.05a, b | 88.10 ± 1.94d, e | 170.60 ± 3.75a | 196.70 ± 3.99a | |
F8 | 85.00 ± 1.70b, c | 297.00 ± 5.84a, b, c | 84.82 ± 1.88c, d | 176.40 ± 3.91a, b | 231.20 ± 4.17b | |
F10 | 86.00 ± 1.54b, c, d | 302.00 ± 5.66a, b, c | 83.40 ± 1.80b, c, d | 180.60 ± 3.77a, b | 235.18 ± 4.25b | |
F12 | 88.00 ± 1.66c, d, e | 304.00 ± 6.10a, b, c | 82.80 ± 1.90b, c, d | 186.90 ± 3.82b, c | 237.30 ± 4.32b | |
F14 | 90.00 ± 1.82d, e, f | 306.00 ± 5.96a, b, c | 82.00 ± 1.92b, c | 194.40 ± 3.80c, d | 243.12 ± 4.44b | |
F16 | 92.00 ± 1.80e, f, g | 308.00 ± 6.14b, c | 78.60 ± 1.87b | 196.30 ± 3.94c, d, e | 258.60 ± 4.61c | |
F18 | 94.00 ± 1.63f, g | 309.00 ± 6.01b, c | 71.40 ± 1.96a | 199.60 ± 3.88d, e | 263.20 ± 4.75c | |
F20 | 95.00 ± 1.85h | 310.00 ± 5.90c | 70.80 ± 1.91a | 206.10 ± 3.85e | 268.10 ± 4.81c |
Values are mean ± standard error, of three replicates. Superscripts with different letters in same column indicate significant differences (P ≤ 0.05)