Journal of Chemistry

Research Article

Evaluation of the Use of Acacia nilotica Leaf as an Ecofriendly Adsorbent for Cr (VI) and Its Suitability in Real Waste Water: Study of Residual Errors

Table 3

Values of error function of the isotherm models of Cr (VI) onto MVM.
Error function modelIsotherm model
LangmuirFreundlichD-RTemkin
RMSE13.91814.353414.01214.3268
𝜒 2 3.2 × 10−74.2 × 10−39.2 × 10−43.9 × 10−3
ERRSQ2.0 × 10−50.26150.05700.2455
HYBRD3.2 × 10−74.2 × 10−39.2 × 10−43.9 × 10−3
MPSD5.3 × 10−96.9 × 10−51.5 × 10−56.4 × 10−5
ARE7.3 × 10−58.3 × 10−33.8 × 10−38.0 × 10−3
EABS0.00450.51140.23880.4955
APE1.4 × 10−30.16630.07760.1612