Abstract

The effect of concentration of silica particles in hydrogenated solutions on the small-angle neutron scattering was investigated in the scattering vector range between 6.3 × 10 3 and 3.5 × 10 −1 åA −1. The samples were prepared with volume concentrations from 0.3 up to 16.3%. The experimental data show interference of the scattered neutrons, whose peak shifts towards higher Q values with increasing concentration. The form factor of the silica particle population was determined and, from this, the structure factor was extracted, from which the effective reduced pair correlation functions for the silica particles could be evaluated. Ordering effects of silica particles at various concentration were studied in hydrogenated solutions by SANS.

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