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  2. Sodium sulfate - Wikipedia

    en.wikipedia.org/wiki/Sodium_sulfate

    Alternatively, sodium sulfate is or was formed in the production of lithium carbonate, chelating agents, resorcinol, ascorbic acid, silica pigments, nitric acid, and phenol. [17] Bulk sodium sulfate is usually purified via the decahydrate form, since the anhydrous form tends to attract iron compounds and organic compounds. The anhydrous form is ...

  3. Thénardite - Wikipedia

    en.wikipedia.org/wiki/Thénardite

    Thénardite is an anhydrous sodium sulfate mineral, Na 2 SO 4 which occurs in arid evaporite environments, specifically lakes and playas. It also occurs in dry caves and old mine workings as an efflorescence and as a crusty sublimate deposit around fumaroles. It occurs in volcanic caves on Mount Etna, Italy.

  4. Sodium sulfate (data page) - Wikipedia

    en.wikipedia.org/wiki/Sodium_sulfate_(data_page)

    This page provides supplementary chemical data on sodium sulfate. ... Structure and properties [1] ... anhydrous: -52 x10 −6 cm 3 mol −1

  5. Sodium sulfide - Wikipedia

    en.wikipedia.org/wiki/Sodium_sulfide

    Sodium sulfide is a chemical compound with the formula Na 2 S, or more commonly its hydrate Na 2 S·9H 2 O.Both the anhydrous and the hydrated salts in pure crystalline form are colorless solids, although technical grades of sodium sulfide are generally yellow to brick red owing to the presence of polysulfides and commonly supplied as a crystalline mass, in flake form, or as a fused solid.

  6. Mirabilite - Wikipedia

    en.wikipedia.org/wiki/Mirabilite

    Mirabilite, also known as Glauber's salt, is a hydrous sodium sulfate mineral with the chemical formula Na 2 SO 4 ·10H 2 O. It is a vitreous, colorless to white monoclinic mineral that forms as an evaporite from sodium sulfate-bearing brines. It is found around saline springs and along saline playa lakes.

  7. Magnesium sulfate - Wikipedia

    en.wikipedia.org/wiki/Magnesium_sulfate

    Magnesium sulfate or magnesium sulphate is a chemical compound, a salt with the formula MgSO 4, consisting of magnesium cations Mg 2+ (20.19% by mass) and sulfate anions SO 2− 4.It is a white crystalline solid, soluble in water but not in ethanol.