Adsorption Ability for Toxic Chromium (VI) Ions in Aqueous Solution of Some Modified Oyster Shell Types

Table 9

Error analysis of R², SSE, MSE, and RMSE for Cr (VI) ions adsorption according to various isotherms models.

Adsorption isotherm equation	R^2	SSE	MSE	RMSE
Langmuir	0.994	0.00082	0.00016	0.01283
Freundlich	0.977	0.00645	0.00129	0.03592
Temkin	0.832	4.50704	0.90141	0.94943
D-R	0.860	0.20611	0.04122	0.20303