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MilliporeSigma™ Supelco™ Silica, 99.8%

Catalog No. 111012623
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Catalog No.
111012623 500 g
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Catalog No. 111012623 Supplier MilliporeSigma™ Supelco™ Supplier No. 381276500G
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Description

May contain adsorbed H2O and CO2 which is removable by calcining at >900°C

Silica is a naturally occurring material in minerals, flint and in some plants in crystalline phase. Silica commonly used in industries is in synthetic form. Surface area, pore volume, pore size and particle size are independently controllable to some extent. The crystalline silica may be classified based on atmospheric pressure as: a. Quartz: = 1143K b. Tridymite: 1143 - 1743K c. Cristobalite: = 1743, over 1973K it forms amorphous vitreous silica glass.

Specifications

Pore Size 60 Å
Grade Standard
Packaging Poly Drum
Quantity 500 g
Surface Area (Metric) 175 to 225 m2/g
Physical Form Powder
MDL Number MFCD00011232
CAS 112945-52-5
Percent Purity 99.8%