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Journal of Chemistry
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2013
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Article
/
Tab 1
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Research Article
Preparation of Mesoporous-Activated Carbon from Branches of Pomegranate Trees: Optimization on Removal of Methylene Blue Using Response Surface Methodology
Table 1
ANOVA for response surface quadratic model for BPAC yield.
Source
Sum of squares
Degree of freedom
Mean square
𝐹
value
Prob >
𝐹
Model
16.08
9
1.79
13.5
0.0001
𝑋
1
0.16
1
0.16
1.28
0.2839
𝑋
2
0.84
1
0.84
6.66
0.0274
𝑋
3
8.51
1
8.51
67.89
<0.0001
𝑋
2
1
0.24
1
0.24
1.90
0.1979
𝑋
2
2
4.13
1
4.13
32.93
0.0002
𝑋
2
3
2.88
1
2.88
22.95
0.0007
𝑋
1
𝑋
2
0.080
1
0.080
0.64
0.4430
𝑋
1
𝑋
3
0.080
1
0.080
0.64
0.4430
𝑋
2
𝑋
3
0.000
1
0.000
0.000
1.0000