Ammonium Sulfate an overview | ScienceDirect Topics
Nov 01, 2015· Ammonium sulfate is produced by three different ... finely divided gypsum is added to a solution of ammonium carbonate causing calcium carbonate precipitates as a solid, leaving ammonium sulfate in the solution: ... namely ammonium sulfate nitrate by FCI, Sindri, and ammonium chloride by New Central Jute Mills Ltd., Varanasi, was also started ...