Sum of

Mean

F

p-value

Source

Squares

df

Square

Value

Prob > F

Model

42.81

12

3.57

1507.63

<0.0001

significant

A-Ratio

6.08

1

6.08

2567.91

<0.0001

B-Concentration

1.12

1

1.12

475.23

<0.0001

C-pH

1.67

1

1.67

706.29

<0.0001

AB

4.86

1

4.86

2052.70

<0.0001

AC

4.30

1

4.30

1818.86

<0.0001

BC

1.20

1

1.20

506.33

<0.0001

A²

4.36

1

4.36

1842.36

<0.0001

B²

6.34

1

6.34

2678.17

<0.0001

C²

0.12

1

0.12

48.65

0.0022

ABC

0.000

0

A²B

0.10

1

0.10

43.61

0.0027

A²C

0.24

1

0.24

101.20

0.0005

AB²

0.044

1

0.044

18.75

0.0124

AC²

0.000

0

B²C

0.000

0

BC²

0.000

0

A³

0.000

0

B³

0.000

0

C³

0.000

0

Pure Error

9.466E−003

4

2.366E−003

Cor Total

42.82

16

Std. Dev.

0.049

R-Squared

0.9998

Mean

97.60

Adj R-Squared

0.9991

C.V. %

0.050

Pred R-Squared

N/A

PRESS

N/A

Adeq Precision

117.241