Table 4.
The basic analytical results of the orthogonal experiment design L32 (49).
| Compounds (×107) | K value | Factorsa | ||||||
|---|---|---|---|---|---|---|---|---|
| A | B | C | D | E | F | G | ||
| 2-MIB | K1 | 13.437 | 13.193 | 18.280 | 18.921 | 17.173 | 19.497 | 18.747 |
| K2 | 18.123 | 20.024 | 17.818 | 18.350 | 20.666 | 18.500 | 19.563 | |
| K3 | 24.053 | 21.317 | 20.400 | 20.335 | 18.390 | 18.956 | 19.176 | |
| K4 | 21.520 | 22.599 | 20.635 | 19.527 | 20.904 | 20.180 | 19.647 | |
|
| ||||||||
| GSM | K1 | 44.442 | 43.076 | 69.669 | 68.587 | 63.481 | 68.596 | 67.181 |
| K2 | 58.090 | 76.959 | 63.101 | 65.587 | 70.959 | 63.793 | 69.662 | |
| K3 | 73.296 | 74.009 | 65.210 | 69.956 | 67.341 | 66.745 | 69.415 | |
| K4 | 97.633 | 79.417 | 75.481 | 69.331 | 71.680 | 74.327 | 67.203 | |
aFactor A: extraction temperature (°C); Factor B: extraction time (min); Factor C: rotate-speed (rpm); Factor D: ionic strength (w/v, %); Factor E: desorption time (min); Factor F: desorption temperature (°C); and Factor G: solution pH.