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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