Sodium sulfate, Yuanming powder, anhydrous thenardite
[English name] sodium sulfate [structure or molecular formula] Na 2 SO 4 [relative molecular weight or atomic weight] 142.44 [density] 1.464 (ten water), 2.698 (anhydrous) [melting point (°C)] 32.4 (decahydrate); 884 (anhydrous) ã€Properties】 Decahydrate: granules or powdery crystals with bitter taste; anhydrate: white powder. ã€use】 It is used in the manufacture of sodium sulfide, pulp, glass, water glass, enamel, ultramarine, and as an antidote to laxatives and strontium salt poisoning. [preparation or source] Industrially, it is a by-product of the production of hydrochloric acid from salt and sulfuric acid. Natural minerals have thenardite . ã€other】 It is rapidly weathered in the air and becomes a white powder of anhydrate.
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Pipe cutting machine,
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