Table 6 The optimum condition derived from RSM for Ce(III) and La(III) ions adsorption.

From: Ce(ΙΙΙ) and La(ΙΙΙ) ions adsorption through Amberlite XAD-7 resin impregnated via CYANEX-272 extractant

Metal ion

pH

Temperature (°C)

SIR dose (g)

Experimental

Predicted

Error %

Ce(III)

6

25

0.45

99.75

100

0.25

La(III)

6

25

0.45

69.98

70.67

0.98

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