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Calcium sulfate (or calcium sulphate) is the inorganic compound with the formula CaSO 4 and related hydrates. In the form of γ- anhydrite (the anhydrous form), it is used as a desiccant . One particular hydrate is better known as plaster of Paris , and another occurs naturally as the mineral gypsum .
This is a list of common chemical compounds with chemical formulae and CAS numbers, indexed by formula. ... calcium sulfate: 7778-18-9 CaSO 4 · 0.5H 2 O: plaster of ...
calcium chlorate: 10137–74–3 Ca(ClO 4) 2: calcium perchlorate: 13477–36–6 CaCl 2: calcium chloride: 10043–52–4 CaCl 2 •6H 2 O: calcium chloride hexahydrate: 7774–34–7 CaCl 2 O 2: calcium hypochlorite: 7778–54–3 CaCr 2 O 7: calcium chromate: 14307–33–6 CaF 2: calcium fluoride: 7789–75–5 CaHPO 4: calcium ...
Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO 4 ·2H 2 O. [4] It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, drywall and blackboard or sidewalk chalk.
The first sentence of the lead (17.6.2020) is:"Calcium sulfate (or calcium sulphate) is the inorganic compound with the formula CaSO4 and related hydrates." I ask that this be changed to "The term 'calcium sulfate' (also spelled calcium sulphate) refers to the inorganic compound with the ionic formula CaSO 4 or to either of its related hydrates ...
Calcium sulfite, or calcium sulphite, is a chemical compound, the calcium salt of sulfite with the formula CaSO 3 ·x(H 2 O). Two crystalline forms are known, the hemihydrate and the tetrahydrate, respectively CaSO 3 ·½(H 2 O) and CaSO 3 ·4(H 2 O). [2] All forms are white solids. It is most notable as the product of flue-gas desulfurization.
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Actual formula Name or mineral phase CH: Ca(OH) 2 or CaO · H 2 O: Calcium hydroxide (portlandite) C-S-H: 0.6–2.0 CaO · SiO 2 · 0.9–2.5 H 2 O, with variable composition within this range, and often also incorporating partial substitution of Al for Si: Calcium silicate hydrate: C-A-H: Phase more complex than C-S-H: Calcium aluminate ...