Assertion: phosphoric acid | /r/HasProperty | added as kh 2 po
Facets:
value: usually
type: TEMPORAL
value: in sufficient amounts
type: OTHER
Source sentences:
text: The phosphoric acid contains potassium, usually added as KH 2 PO 4 , in sufficient amounts to react with fluoride contained in the phosphate rock and produce potassium fluosilicate.