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Gypsum is a soft
sulfate mineral composed of
calcium sulfate dihydrate, with the
chemical formula CaSO4·2H2O. It is
widely mined and is used as a fertilizer...
- SO2− 4 is tetrahedral, O is 3-coordinate.
CaSO 4·2H 2O (
gypsum and
selenite (mineral)): dihydrate.
CaSO 4·1/2H 2O (b****anite): hemihydrate, also known...
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Gypsum recycling is the
process of
turning gypsum waste (from construction) into
recycled gypsum,
thereby generating a raw
material that can
replace virgin...
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heating gypsum to
about 120–180 °C (248–356 °F) in a kiln:
CaSO 4 ⋅ 2 H 2 O ⟶ heat
CaSO 4 ⋅ 1 2 H 2 O + 1 1 2 H 2 O ↑ {\displaystyle {\ce {
CaSO4.2H2O...
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sulfate (
CaSO 4·1/2H 2O). The
plaster is
mixed with
fiber (typically
paper and/or gl**** fiber), plasticizer,
foaming agent,
finely ground gypsum crystal...
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related to
gypsum Calcium sulfate –
Chemical derived from
gypsum used in food and
industry – the main
inorganic compound (
CaSO4) of
gypsum Fengite – translucent...
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minerals included blöedite Na 2Mg(
SO 4) 2·4H 2O,
konyaite Na 2Mg(
SO 4) 2·5H 2O,
epsomite Mg
SO 4·7H 2O, and
gypsumCaSO 4·2H 2O, with
minor eugsterite, picromerite...
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portlandite (
Ca(OH)2) into
insoluble calcium carbonate.
After the
initial setting,
immersion in warm
water will
speed up setting.
Gypsum is
added as an...
- iron oxy-hydroxides (FeO(OH), or Fe 2O 3·nH 2O) and
mildly soluble gypsum (
CaSO 4·2H 2O). When
complete (i.e., when all Fe2+ ions are also
oxidized into...
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precipitation from sea
water is:
Calcite (
CaCO3) and
dolomite (
CaMg(CO3)2)
Gypsum (
CaSO4 · 2 H2O) and
anhydrite (
CaSO4).
Halite (i.e.
common salt, NaCl) Pot****ium...
