Assertion: phosphoric acid | /r/HasAspect | organic carbon content
Facets:
value: generally
type: DEGREE
value: from about 0.1
type: OTHER
Source sentences:
text: Phosphoric acid prepared from uncalcined phosphate rock (black acid) generally has an organic carbon content of from about 0.1 to about 0.6%, with an average of about 0.3%, by weight.