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A number of mixed ligand chromium(III)-surfactant coordination complexes, of the type cis-[Cr(en) 2 (A)X] 2+ and cis-a-[Cr(trien)(A)X] 2+ (A = Dodecyl or Cetylamine; X = F ) , Cl ) , Br ) ) were synthesized from the corresponding dihalogeno complexes by ligand substitution. These compounds form foam in aqueous solution when shaken. The critical micelle concentration (CMC) values of these surfactant metal complexes in aqueous solution were obtained from conductance measurements. Specific conductivity data (at 303, 308 and 313 K) served for evaluation of the temperature-dependent critical micelle concentration (cmc) and the thermodynamics of micellization (DG 0 m , DH 0 m and DS 0 m ).

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