Parameters (factors) and levels evaluated in the definitive screening design.
| Factor | Symbol | Level (−) | Level (o) | Level (+) |
|---|---|---|---|---|
| Time | T | 3 | 10.5 | 18 |
| Temperature | T | 100 | 125 | 150 |
| Equivalents of reducing agent (CR/CCuCl2) | [R] | 1 | 3 | 5 |
| Factor | Symbol | Level (−) | Level (o) | Level (+) |
|---|---|---|---|---|
| Time | T | 3 | 10.5 | 18 |
| Temperature | T | 100 | 125 | 150 |
| Equivalents of reducing agent (CR/CCuCl2) | [R] | 1 | 3 | 5 |