Table 1 Variables range of Plackett–Burman design
Variable code | Variable | Unit | Low (− 1) | High (+ 1) |
|---|---|---|---|---|
A | Peptone | g/L | 5.6 | 7 |
B | Glucose | g/L | 100 | 125 |
C | Sodium Glutamate | g/L | 20 | 25 |
D | MgSO4 7H2O | g/L | 7.2 | 9 |
E | KH2PO4 | g/L | 2.5 | 3.125 |
F | Sea Salt | g/L | 34.4 | 43 |
G–K | Dummy variable | – | – | – |