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Table 4 Thermodynamic parameters for the Cr(VI) adsorption on PSD

From: Adsorption behavior of Cr(VI) by biomass-based adsorbent functionalized with deep eutectic solvents (DESs)

Linear results

\({\Delta H}^{\ominus }\)/kJ mol−1

\({\Delta S}^{\ominus }\)/J mol−1 K−1

\({\Delta G}^{\ominus }\)/kJ mol−1

R2

298 K

313 K

323 K

333 K

353 K

35.94

121.29

− 0.2

− 2.02

− 3.23

− 4.45

− 6.87

0.9995

Nonlinear results

\({\Delta H}^{\ominus }\)/kJ mol−1

\({\Delta S}^{\ominus }\)/J mol−1 K−1

\({\Delta G}^{\ominus }\)/kJ mol−1

R2

298 K

313 K

323 K

333 K

353 K

0.9996

36.36

122.55

− 0.16

− 2

− 3.22

− 4.45

− 6.9