Adsorption Properties of Low-Cost Biomaterial Derived from Prunus amygdalus L. for Dye Removal from Water

Table 3

Parameters of isotherm models with statistical analysis values.

Model	Parameter	Temperature (K)
		293	303	313
Freundlich	𝐾𝑓 (mg g^−1) (L g^−1)^1/𝑛	11.025	7.354	5.305
	𝑛𝑓	3.167	2.765	2.445
	𝑅^2	0.7016	0.7136	0.9065
	𝜒^2	5.378	5.145	3.947
	MSE	13.435	13.132	7.638
Langmuir	𝑏 (L mg^−1)	0.354	0.306	0.254
	𝑞𝑚 (mg g^−1)	41.34	37.59	33.56
	𝑅𝐿	0.027	0.032	0.038
	𝑅^2	0.9989	0.9990	0.9998
	𝜒^2	0.411	0.402	0.393
	MSE	1.657	1.643	1.421
	𝑞𝑒,exp (mg g^−1)	40.21	35.89	32.37