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Table 2 Significant variables and their levels in CCD affecting on luminescence intensity of strain Vibrio sp. 6HFE

From: Toxicity monitoring of solvents, hydrocarbons, and heavy metals using statistically optimized model of luminous Vibrio sp. 6HFE

Variable Coded levels and trial values
α −1 0 1 Α
Yeast extract (g/l) 0.2 0.5 1 4 8
K2HPO4 (g/l) 0.1 0.3 0.5 2 4
MgSO4 (g/l) 0.1 0.3 0.5 1 2
CaCl2 (g/l) 0.5 1 2 3 4