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Table 2 Thermodynamic parameters for adsorption of IC dye onto activated carbonaceous material (tea-waste)

From: Activated carbonaceous materials from tea waste and its removal capacity of indigo carmine present in solution: synthesis, batch and optimization study

ΔHo (J mol−1) ΔSo (J mol− 1 K− 1) ΔGo (J mol− 1)
60 2.9 293 K 298 K 303 K 308 K 313 K
− 787 − 801 − 816 − 830 − 845