- is a
chemical compound of
aluminium and
oxygen with the
chemical formula Al2O3. It is the most
commonly occurring of
several aluminium oxides, and specifically...
-
Corundum is a
crystalline form of
aluminium oxide (
Al2O3)
typically containing traces of iron, titanium, vanadium, and chromium. It is a rock-forming...
-
commonly applied to
chemical compounds which are
derived from
aluminium oxide,
Al2O3 and
silicon dioxide, SiO2
which may be
anhydrous or hydrated, naturally...
-
aluminium oxide to form
tricalcium aluminate. 3CaO+
Al2O3⟶3CaO⋅
Al2O3{\displaystyle {\ce {3CaO +
Al2O3 -> 3CaO.
Al2O3}}} In the last step,
calcium oxide, aluminium...
- most
important ore of aluminium,
contains only 30–60%
aluminium oxide (
Al2O3), the rest
being a
mixture of silica,
various iron oxides, and titanium...
-
Aluminium oxide (
Al2O3):
Al2O3+6HClacid⟶2AlCl3+3H2O{\displaystyle {\ce {
Al2O3 + {\overset {acid}{6 HCl}}-> 2 AlCl3 + 3 H2O}}}
Al2O3...
-
composition can be
represented only by
metastable forms (gamma-
Al2O3 etc.).
Corundum (alpha-
Al2O3), the only
stable form of
aluminum oxide, does not have such...
-
generally as a "mineral
aggregate composed of
hydrous silicates of
aluminium (
Al2O3·2SiO2·2H2O) with or
without free silica." High-grade fire
clays can withstand...
- the
ferric ion (Fe3+). They are
formed when
tricalcium aluminate (3CaO·
Al2O3, also
noted C3A)
reacts with a
dissolved calcium salt (CaX). CaX is most...
- mantle-derived
volcanic or
subvolcanic rock. It has low CaO,
Al2O3, Na2O, high K2O/
Al2O3, a
relatively high MgO
content and
extreme enrichment in incompatible...
