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Table 3

Adsorption isotherm parameters for AO7 and ID adsorptions onto NiO

Adsorption isothermLangmuir
Freundlich
qe/(mg/g)b/(L/g)R2KF/(mg/g)nR2
(a) AO7 178.57 0.52 0.9991 2.9 × 10−5 0.39 0.9592 
(b) ID 227.27 2.00 0.9993 1.7 × 10−9 0.24 0.9322 
Adsorption isothermLangmuir
Freundlich
qe/(mg/g)b/(L/g)R2KF/(mg/g)nR2
(a) AO7 178.57 0.52 0.9991 2.9 × 10−5 0.39 0.9592 
(b) ID 227.27 2.00 0.9993 1.7 × 10−9 0.24 0.9322 
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