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Table 3 The levels of each factor in the box-behnken experimental design

From: Optimization and characterization of polyhydroxybutyrate produced by Halomonas meridiana using orange peel waste

Factor

Level value

 − 1

0

 + 1

Inoculum size (%) (v/v)

2

4

6

(NH4)2HPO4 (g/L)

1.0

1.5

2

Initial pH

6.5

7

7.5

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BMC Microbiology

ISSN: 1471-2180

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