Assertion: titanium dioxide's layer | /r/CapableOf | improve dispersion of the particles
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Source sentences:
text: It is known that coating with inorganic oxides, such as SiO 2 , ZrO 2 , SnO 2 , Al 2 O 3 , etc., increases the photostability of TiO 2 particles and, in particular, that an outer Al 2 O 3 layer improves dispersion of the particles in the user matrix.