Table 3 Thermodynamic parameters for the adsorption of Rhodamine B.

From: Biosynthesis of calcium oxide nanoparticles by employing Mulberry (Morus nigra) leaf extract as an efficient source for Rhodamine B remediation

Thermodynamicmodel

Rhodamine dye

Parameters

Temp. (°C)

Temp. (K)

CaO NPS

∆G° (KJ/mol)

30

303

− 1.88422

40

313

− 2.22059

50

323

− 2.29332

60

333

− 2.48103

70

343

− 2.63587

∆H° (KJ/mol)

Calculated from slope

3.446075

∆S° (J/K*mol)

Calculated from intercept

17.79919

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