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Table 5

Effect of thermodynamic parameters on sorption of gentian violet on ZMLC

T1/TConcentration adsorbedΔGΔHΔS
(K)(K−1) × 10−3(mol/L) × 10−6KclnKc(kJmol−1)(kJmol−1)(Jk−1 mol−1)
273 3.66 2.60 657.69 6.48 14.70  −3.12 
283 3.53 2.94 580.61 6.36 14.96  −3.38 
293 3.41 3.33 512.31 6.20 15.10  −3.52 
303 3.30 4.55 374.72 5.97 15.30 11.58 −3.72 
313 3.19 4.75 358.50 5.88 15.39  −3.81 
323 3.09 4.77 355.30 5.75 15.44  −3.86 
333 3.00 6.49 260.40 5.57 15.69  −4.11 
T1/TConcentration adsorbedΔGΔHΔS
(K)(K−1) × 10−3(mol/L) × 10−6KclnKc(kJmol−1)(kJmol−1)(Jk−1 mol−1)
273 3.66 2.60 657.69 6.48 14.70  −3.12 
283 3.53 2.94 580.61 6.36 14.96  −3.38 
293 3.41 3.33 512.31 6.20 15.10  −3.52 
303 3.30 4.55 374.72 5.97 15.30 11.58 −3.72 
313 3.19 4.75 358.50 5.88 15.39  −3.81 
323 3.09 4.77 355.30 5.75 15.44  −3.86 
333 3.00 6.49 260.40 5.57 15.69  −4.11 
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