Surfactant Concentration (mM) Electrokinetic Potential (mV) 1.000000e-02 4.234246e+01 3.000000e-02 3.248671e+01 5.000000e-02 2.368274e+01 2.000000e-01 1.164920e+01 3.000000e-01 7.713638e+00 4.000000e-01 1.352509e+00 7.000000e-01 -5.005576e+00 1.000000e+00 -8.120727e+00 1.250000e+00 -1.002085e+01 1.500000e+00 -1.328392e+01 2.000000e+00 -1.534072e+01 4.000000e+00 -2.297000e+01 1.000000e+01 -4.330807e+01 4.000000e+01 -5.527496e+01