Alternative Composite Nanosorbents Based on Turkish Perlite for the Removal of Cr(VI) from Aqueous Solution

Table 1

Isotherm models and parameters.

Isotherm model	Linear equation	Plot	Parameters
Langmuir
PGI		versus	0.0712	238	0.994
PMA			0.0399	272	0.970
Freundlich
PGI		versus	3.18	0.518	0.987
PMA			13.4	0.491	0.953
DR
PGI		versus	0.133	8.45	0.996
PMA			0.0745	8.45	0.968
Scatchard
PGI		versus	252.7	0.0691	0.973
PMA			206.9	0.0454	0.921
Temkin
PGI	with	versus	62.74	0.919	0.992
PMA			91.44	0.922	0.972