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Table 1 The studied nutritional variables with their high and low values examined in PBD

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

Variable

Coded values for each variable of the PBD

−1

0

1

Glycerol (ml/l)

0.5

3.0

6.0

NaCl (g/l)

10.0

30.0

50.0

Yeast extract (g/l)

1.0

5.0

10.0

CaCl2 (g/l)

0.0

1.0

2.0

Peptone (g/l)

1.0

5.0

10.0

K2HPO4 (g/l)

0.5

2.5

5.0

MgSO4 (g/l)

0.0

0.25

0.5

pH

5

7

9