Description: Ammonium Sulphate: Ammonium Sulphate is an inorganic salt with a number of commercial uses. The most common use is 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. Specification Physical Appearance -- White Powder Formula -- (NH4 )2 SO4 Molecular wt -- 132 Chemical Specification Typical Nitrogen-N21 % Sulphur – S24 % Chloride – Cl Heavy Metals Arsenic, As1 ppm1 ppm Mercury, Hg1 ppmnot detected Lead, Pb1 ppm1 ppm Cadmium, Cd1 ppmnot detected Uses - Application Completely water soluble. It is used largely as an artificial fertilizer for alkaline soils. In the soil the ammonium ion is released and forms a small amount of acid, lowering the pH balance of the soil , while contributing essential nitrogen for plant growth. It is also used as an agricultural spray adjuvant for water soluble insecticides, herbicides, and fungicides. There it functions to bind iron and calcium cations that are present in both well water and plant cells.
