Table 3 Optimum conditions derived by RSM.

From: Removal of drug and dye from aqueous solutions by graphene oxide: Adsorption studies and chemometrics methods

Variables (coded)

% Removal ENF

% Removal RhB

Run

X1

X2

X3

X4

X5

Experimental

Predicted

Experimental

Predicted

1

0.8

−1.0

−1.0

0.5

1.6

96.41

97.43

91.96

91.02

2

0.8

−1.0

−1.0

0.5

1.6

98.16

97.43

91.47

91.02

3

0.8

−1.0

−1.0

0.5

1.6

97.84

97.43

92.55

91.02

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