Calcium (Ca) is a metallic element characterized by low electronegativity and high reactivity. It rarely occurs in its pure form in nature and is usually found combined with oxygen and other elements. The inorganic monoatomic Ca cation is referred to as Ca²⁺. Although calcium is an essential...

The article discusses the problem of obtaining NS–fertilizers based on liquefied ammonium nitrate and man–made waste phosphogypsum. According to the author, it is possible to obtain high–quality nitrogen–sulfur fertilizers with improved physico–chemical and low detonation properties by granulating...