Silica xerogel with an average pore size of 2.4 nanometers has a strong affinity for water molecules and is widely used as a desiccant. It is hard and translucent, but considerably softer than massive silica glass or quartz; and remains hard when saturated with water.
- Spherical, powdered, chromatography grade
- Commonly used as stationary phase in Column Chromatography
- Aids in solution fractionation
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