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. 2018 Feb 16;3(2):1991–2000. doi: 10.1021/acsomega.7b01768

Table 5. Isotherm Parameters for the Adsorption of RY4 by PESHA.

isotherm parameters values
Langmuir Qo (mg g–1) 125.98
  b (L mg–1) 0.04
  RL 0.17
  R2 0.994
Freundlich KF ((mol g–1)(mol L–1)−1/n) 13.01
  n 2.07
  R2 0.992
Tempkin aT (L mg–1) 90.51
  bT 0.44
  R2 0.993
Dubinin–Radushkevich Qs (mg g–1) 84.29
  β × 106 (mol J–1)2 8.59
  E (kJ mol–1) 0.24
  R2 0.978