Assertion: phosphoric acid's amount | /r/AtLocation | the acid
Facets:
value: regardless of
type: OTHER
Source sentences:
text: Regardless of what acid is used to produce the wet process phosphoric acid, a considerable amount of dissolved and suspended impurities such as silica, aluminum, magnesium, vanadium, fluorine, chlorine, calcium, arsenic, lead, iron and other organic and inorganic inpurities are contained in the acid.