Silicic Acid CAS 1343-98-2

Silicic Acid CAS NO:1343-98-2 Molecular formula:H2SiO3 Properties: Colorless,transparent glass-like irregular grains.Insoluble in acids(except for hydrofluoric acid),soluble in caustic alkali solution.Compared with silica gel,it contains more hydroxyls and is a kind of...

Product Details

Silicic Acid

CAS NO: 1343-98-2

Molecular formula: H2SiO3

Properties:

Colorless,transparent glass-like irregular grains.Insoluble in acids(except for hydrofluoric acid),soluble in caustic alkali solution.Compared with silica gel,it contains more hydroxyls and is a kind of high-purity reagent silica gel.

Application:Mainly used for chemical reagents,fusion agent for processing tungsten filaments.

Specification:

Items

Grade 1

Grade 2

SiO2 Content(%)

99.3 min

99.3 min

Loss on Ignition(%)

20-28

20-28

Non-volatile substance(%)

0.20 max.

0.40 max.

Chloride(Cl)(%)

0.005 max.

0.005 max.

Sulfate(SO4)(%)

0.02 max.

0.02 max.

Heavy metal(Pb)(%)

0.005 max.

0.01 max.

Iron(Fe)(%)

0.005 max.

0.005 max.

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