What are the uses for ammonium sulphate?

Answer 1

(NH4)2SO4 is most commonly used as a soil fertilizer. It contains 21% nitrogen as ammonium cations, and 24% sulfur as sulfate anions. In fertilizer the purpose of the sulfate is to reduce the soil pH.

Answer 2

Ammonium sulfate is commonly used as a fertilizer to provide nitrogen and sulfur nutrients to plants. It is also used in some industrial applications such as in the manufacturing of fire-retardant materials and for pH adjustment in water treatment processes. Additionally, it is used as a food additive in certain bread-making processes.