Ammonium Chloride - Sources

Sources

It is a product of the Solvay process used to produce sodium carbonate.

CO2 + 2 NH3 + 2 NaCl + H2O → 2 NH4Cl + Na2CO3

In addition to being the principal method for the manufacture of ammonium chloride, this method is used to minimize ammonia release in some industrial operations. Ammonium chloride is prepared commercially by combining ammonia (NH3) with either hydrogen chloride (gas) or hydrochloric acid (water solution):

NH3 + HCl → NH4Cl

Ammonium chloride occurs naturally in volcanic regions, forming on volcanic rocks near fume-releasing vents (fumaroles). The crystals deposit directly from the gaseous state, and tend to be short-lived, as they dissolve easily in water.

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