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COLLOIDAL SILICA
Colloidal silica refers to suspensions of fine, amorphous, and typically spherical silica particles in a liquid phase. These particles are usually suspended in an aqueous phase that is stabilized electrostatically.
Colloidal silica is often prepared as monodisperse suspensions with particle sizes ranging from 30 to 100 nm in diameter, though polydisperse suspensions can also be synthesized.
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