Conductivity, Surface Tension, and Comparative Antibacterial Efficacy Study of Different Brands of Soaps of Nepal

Table 4

Slopes, critical micelle concentration (CMC), maximum surface excess concentration (), the area occupied by surfactant molecule , surface pressure at the CMC (), effective Gibbs free energy (), and free energy of adsorption ().

Soaps	Slopes	CMC (mg/ml)
LFBY	−28.0	0.0659	2.41	68.84	6.54	−2.71	−34.08
NM	−23.5	0.0710	2.02	82.03	7.24	−3.57	−34.14
OKT	−23.2	0.0830	1.99	83.43	9.84	−4.92	−34.85
LRL	−18.4	0.0899	1.58	104.7	12.04	−7.59	−34.88
LX	−18.2	0.1110	1.57	105.9	16.14	−10.29	−36.22

The error limits of CMC, , , , , and are within 3, 5, 4, 3, 4, and 6%, respectively.