How is phosphate made into super phosphate?

It is just the name for the fertiliser containing phosphorous and coated by a sulphur prill.

Phosphate is made of phosphorous and oxygen. The formula for the phosphate ion is PO43-.

Fresh super is quite a dark grey colour. However by the time it's ready for farm use it should be an almost white colour.

Triple super phosphate is generally more effective, as it has higher phosphorous (P) levels. However if you need to raise the level of sulphur (S) in your soil you may be better off with normal...

Super phosphate is calcium dihydrogen phosphate. It can be prepared by reacting sulfuric acid with calcium phosphate : Calcium phosphate + Sulfuric acid ----> Calcium sulfate + Calcium dihydrogen...