Table 4 Thermodynamic parameters for the adsorption of dyes onto PA-12/PC nanocomposite.

From: Fabrication of polyamide-12/cement nanocomposite and its testing for different dyes removal from aqueous solution: characterization, adsorption, and regeneration studies

Dye

Temperature (K)

∆G (kJ/mol)

∆H (kJ/molK)

∆S (kJ/mol)

R2

CR

288

 − 19.32

58.78

0.2678

0.9403

298

 − 22.52

308

 − 24.30

BG

288

 − 19.25

57.24

0.2624

0.9226

298

 − 22.47

308

 − 30.01

MB

288

 − 19.186

56.388

0.2593

0.9089

298

 − 22.444

308

 − 23.993

MR

288

 − 19.184

54.952

0.2545

0.9008

298

 − 22.422

308

 − 23.891