ammonium phosphate

One millionth part of a pound of ammonium phosphate will also produce secretion.

Outing flannel is very dangerous unless treated with ammonium phosphate.

Dissolve one quarter of a pound of ammonium phosphate, which costs about 25 cents, in one gallon of cold water.

Phosphoric acid is present in combination with iron, alumina, or lime, or possibly also as magnesium-ammonium-phosphate.