Preparation of the Mechano-Activated Silica Samples MSi

Silica powder was mechanically treated in a vibrational mill in an inert atmosphere at 300 or 77 K in a quartz vessel with milling balls made from quartz glass. Mechanical treatment of silica [9,10] is accompanied by the 

The active centers in silica are generated upon mechanical treatment not only due to the cleavage of the particles of material but also to their mutual contacts (so-called friction regime [11-13]). For this reason, the mechanical treatment can be used for generating defects at the surface of high-dispersed silica (aerosol). 

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