La. Bulavin et al., MICELLAR SOLUTIONS OF TRITON X-100 - DATA ON SMALL-ANGLE NEUTRON-SCATTERING, Colloid journal of the Russian Academy of Sciences, 57(6), 1995, pp. 856-859
Aqueous (H2O-D2O mixture) solutions of the nonionic surfactant Triton
X-100 were studied by small-angle neutron scattering. The characterist
ic radius, scattering density, specific surface area, and aggregation
numbers of micelles formed by Triton X-100 were determined. It was est
ablished that micelles formed in Triton X-100 solutions with concentra
tions below 9.6 mmol/dm(3) have a constant characteristic radius of 3.
7 nm. As the concentration increases, the character of interactions be
tween micelles changes, which is reflected by the total hydration and
steric repulsion prevailing over the van der Waals attraction. The deg
ree of hydration of Triton X-100 molecules is estimated.