Variables | Units | Symbol code | Lower (−1) | Higher (+1) |
CF | g/l | X1 | 10 | 40 |
FF | g/l | X2 | 10 | 30 |
CaCl2 | g/l | X3 | 0.5 | 2 |
NaCl | g/l | X4 | 0.5 | 2 |
KH2PO4 | g/l | X5 | 0.1 | 1 |
K2HPO4 | g/l | X6 | 0.1 | 1 |
MgSO4 | g/l | X7 | 0.1 | 1 |
Temperature | ˚C | X8 | 30 | 37 |
Speed of agitation | rpm | X9 | 150 | 250 |
Time | H | X10 | 24 | 72 |
IS | % | X11 | 2 | 10 |