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Table 1 The coded levels of the independent variables in the application of the Box-Behnken design for laccase@CKMB

From: The study of laccase immobilization optimization and stability improvement on CTAB-KOH modified biochar

Factor Name Units Type Minimum Maximum Coded Low Coded High Mean Std. Dev.
A laccase dosage mg/mL Numeric 1.0 2.5 −1 + 1 1.75 0.7071
B pH   Numeric 2.0 4.0 −1 + 1 3.0 0.7071
C temperature K Numeric 303 323 −1 + 1 313 7.07