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| Assay | Independent variable | Yield/% | ||
|---|---|---|---|---|
| Pressure/Pa | Temperature/°C | Subcritical propane |
Pressurized ethanol |
|
| 1 | –1 (8·106) | –1 (20) | 26.91 | 6.36 |
| 2 | –1 (8·106) | 1 (60) | 27.57 | 6.10 |
| 3 | 1 (1.2·107) | –1 (20) | 27.05 | 6.93 |
| 4 | 1 (1.2·107) | 1 (60) | 28.31 | 7.23 |
| 5 | 0 (107) | 0 (40) | 28.39 | 7.99 |
| 6 | 0 (107) | 0 (40) | 28.12 | 7.89 |
| 7 | 0 (107) | 0 (40) | 28.29 | 8.05 |
