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known as
silica, is an
oxide of
silicon with the
chemical formula SiO2,
commonly found in
nature as quartz. In many
parts of the world,
silica is the major...
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Silica gel is an
amorphous and
porous form of
silicon dioxide (
silica),
consisting of an
irregular tridimensional framework of
alternating silicon and...
- Look up
silica or
sílica in Wiktionary, the free dictionary.
Silica or
silicon dioxide is a
chemical compound.
Silica may also
refer to:
Silica gel, a...
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typical chemical composition of oven-dried
diatomaceous earth is 80–90%
silica, with 2–4%
alumina (attributed
mostly to clay minerals), and 0.5–2% iron...
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Hydrophobic silica is a form of
silicon dioxide (commonly
known as
silica) that has
hydrophobic groups chemically bonded to the surface. The hydrophobic...
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Fused quartz,
fused silica or
quartz gl**** is a gl****
consisting of
almost pure
silica (silicon dioxide, SiO2) in
amorphous (non-crystalline) form. This...
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Amorphous silica-alumina is a
synthetic substance that is used as a
catalyst or
catalyst support. It can be
prepared in a
number of ways for example: Precipitation...
- main
classes of
amorphous silica are
pyrogenic silica,
precipitated silica and
silica gel.
Among them,
precipitated silica has the
greatest commercial...
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Silica fume, also
known as microsilica, (CAS
number 69012-64-2,
EINECS number 273-761-1) is an
amorphous (non-crystalline)
polymorph of
silicon dioxide...
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Silica sulfuric acid (SiO 2-OSO 3H 2, SSA), a
solid acid, is
prepared by
soaking silica gel with
sulfuric acid. SSA is used as a
catalyst in different...
