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Kinetic, Equilibrium and Thermodynamics Study of the Adsorption of Pb(Ii), Cu(Ii) and Ni(Ii) from Aqueous Solution using <i>Mangiferaindica</i> Leaves

Online Journal of Materials Science | Vol 1, Issue 1

Table 1. Isotherm Parameters of Various Adsorbent

Isotherm models

Adsorbates (Metal ions)

 

Ni+ ions

Pb2+ ions

Cu2+ions

Langmuir

 

 

 

R2

0.9214

0.9950

0.9908

Qm

-0.3874

3.5523

-0.0603

KL

-7.1890

4.3383

-2.2470

Freundlich

 

 

 

R2

0.9973

0.9976

0.9942

N

0.6762

1.6998

0.6524

Kf

0.0874

4.2677

0.0900