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Table 5 Thermodynamic parameters for the adsorption of RBBR dye on prepared samples

From: Facile synthesis of MOF-derived N doped ZnO/C nanoparticles and its adsorption activity toward dye removal

Adsorbent

ΔH° (KJ/mole)

ΔS° (KJ/mole K)

ΔG° (KJ/mole)

308 K

318 K

328 K

N doped ZnO/C-600

− 214

− 0.7

+ 1

+ 8

+ 15

N doped ZnO/C-800

− 147

− 0.5

+ 7.6

+ 12.6

+ 17.6