Calcium sulfate has three crystalline phases with various hydration levels 1: CaSO 4 ·2H 2 O (gypsum), CaSO 4 ·0.5H 2 O (bassanite) and CaSO 4 (anhydrite). Large natural (often evaporitic) deposits of ...
Inorganic sulfate (SO 4 2−) is required for the synthesis of 3′-phosphoadenosine-5′-phosphosulfate (PAPS). PAPS is required for synthesis of many important sulfur-containing compounds, such as ...