Assertion: phosphoric acid's concentration | /r/HasProperty | expressed as a proportion of p
Facets:
value: by weight
type: OTHER
Source sentences:
text: If this concentration is expressed as a proportion of P ^ O- by weight relative to the phosphoric acid, the preferred zones are between 0.5 and 0.6 advantageously between 0.50 and 0.57, preferably between 51 and 55%.