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Sodium sulfate (also known as sodium sulphate or sulfate of soda) is the inorganic compound with formula Na 2 SO 4 as well as several related hydrates.All forms are white solids that are highly soluble in water.
Structure and properties [1]; Index of refraction, n D: Abbe number? Dielectric constant, ε r: anhydrous: 7.90 at r.t. decahydrate: 5.0 at r.t. pentahydrate: 7 at ...
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.
Sodium thiosulfate is used in the treatment of cyanide poisoning. [3] It is on the World Health Organization's List of Essential Medicines. [4] [5] Other uses include topical treatment of ringworm and tinea versicolor, [3] [6] and treating some side effects of hemodialysis [7] and chemotherapy.
Sodium sulfite (sodium sulphite) is the inorganic compound with the chemical formula Na 2 SO 3.A white, water-soluble solid, it is used commercially as an antioxidant and preservative.
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The sodium and potassium salts adopt very similar structures in the solid state, according to X-ray crystallography.In the sodium salt, the O-O distance is 1.476 Å. The sulfate groups are tetrahedral, with three short S-O distances near 1.44 and one long S-O bond at 1.64 Å.