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Table 1 Sorption isotherms and kinetics of EBT and PAN on CC. Parameters of the fitting according to the Langmuir equation. The number in parenthesis is the standard uncertainty on the least significant digit. The last column shows the time required to reach the equilibrium (te) between CC and each dye

From: Low-cost, disposable colourimetric sensors for metal ions detection

  pH KL (M− 1) qmax (mmol g− 1) te (h)
EBT 10 2.0 (2)∙105 0.155 (7) 2
PAN 11 8.0 (3)∙104 0.011 (2) 10