88.5 Surfactants and their properties and Applications 8.5.2 Critical micelle concentration and micelle CMC: detergence critical micelle concentration Osmotic The lowest concentration at which surfactant pressure molecules aggregate to form micelles Surface tension Molar conductivity -interface tension 0.2 0.4 0.6 Variation of the surface tension of the solution with the sodium decanoate concentration in 0.2 mol dm 3 Na so, at 40 Done in our research group c(mmol dm)0 0.2 0.4 0.6 detergence Osmotic pressure Surface tension Molar conductivity interface tension CMC: critical micelle concentration The lowest concentration at which surfactant molecules aggregate to form micelles. Variation of the surface tension of the solution with the sodium decanoate concentration in 0.2 mol dm-3 Na2SO4 at 40 oC. Done in our research group. 8.5.2 Critical micelle concentration and micelle §8.5 Surfactants and their properties and Applications