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Silica
Silica Sil"i*ca, n. [NL., from L. silex, silics, a flint.]
(Chem.)
Silicon dioxide, SiO?. It constitutes ordinary quartz (also
opal and tridymite), and is artifically prepared as a very
fine, white, tasteless, inodorous powder.
Meaning of Silicas from wikipedia
-
primary industrial methods to
acquire hydrated silica is
through a sol-gel process.
Hydrated silicas can be
categorized into
three main
categories based...
- electrostatically.
Colloidal silicas exhibit particle densities in the
range of 2.1 to 2.3 g/cm3. Most
colloidal silicas are
prepared as monodis****...
-
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...
-
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...
-
Fumed silica (CAS
number 7631-86-9, also 112945-52-5), also
known as
pyrogenic silica because it is
produced in a flame,
consists of
microscopic droplets...
- Two-dimensional
silica (2D
silica) is a
layered polymorph of
silicon dioxide. Two
varieties of 2D
silica, both of
hexagonal crystal symmetry, have been...
-
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...
-
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...
- main
classes of
amorphous silica are
pyrogenic silica, precipitated
silica and
silica gel.
Among them,
precipitated silica has the
greatest commercial...
