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Particle size and distribution

SAXS is a powerful method to determine both average particle size and size distributions. The plots show experimental data from silica nanoparticles as measured by the NANOPIX mini. The plot (below) shows the 1D SAXS pattern of measured intensity as a function of 2θ angle. NANOPIX mini software evaluates the 1D SAXS pattern (left side) and calculates the volume-weighted particle size distribution (right side). The average diameter is estimated to be 111 nm, which agrees with TEM image analysis.

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