Component

Retention time (min)

Concentration (g/L)

Coefficient of determination (R²)

Regression equation using MATLAB program

Coefficient of determination (R²)

Glucose

8.6 - 8.7

0.9999

1.0000

Xylose

9.1 - 9.3

0.9999

1.0000

Acetic acid

13.0 - 13.3

0.9989

0.9998

Butyric acid

17.7 - 17.8

0.9998

0.9999

Acetone

17.9 - 18.2

0.9991

0.9998

Ethanol

18.6 - 18.9

0.9973

1.0000

Butanol

29.4 - 29.9

0.9993

0.9999