From: Structural control of V2O5 nanoparticles via a thermal decomposition method for prospective photocatalytic applications
Isotherm model
Isotherm parameters
R2
Langmuir
Qmax (mg g−1) = 1.267
Kl (L mg−1) = 5.320
Rl = 0.0019–0.018
0.9988
Freundlich
 Kf (mg g−1)(L mg−1)1/n = 1.321
1/n = 0.278
0.8570