Thermodynamic and Spectroscopic Investigation of Interactions between Reactive Red 223 and Reactive Orange 122 Anionic Dyes and Cetyltrimethyl Ammonium Bromide (CTAB) Cationic Surfactant in Aqueous Solution

Table 1

The data of critical micelle concentrations (CMC), enthalpy of micellization (), free energy of micellization (), entropy of micellization (), and degree of dissociation () for aqueous solution of CTAB in the presence of reactive orange 122 at different temperatures.

(K)	CMC; (mM)	(kJmol^−1)	(kJmol^−1)	(JK^−1mol^−1)
298	1.10	3.56	−46.14	166.75	0.28
308	1.078	3.78	−47.54	166.60	0.29
318	1.04	3.91	−47.77	162.50	0.34
328	1.01	4.08	−48.50	160.32	0.37