superphosphate

A product obtained when phosphate rock is treated with either sulfuric acid or phosphoric acid or a mixture of those acids. "Normal", "ordinary", or "simple" superphosphate refers to all grades containing up to 22% available P205, which are commonly made by the acidulation of rock phosphate with sulfuric acid. Contains primarily mono-calcium phosphate plus a significant amount of gypsum.

Authorization Path: 2.4.5.2.16.0