Assertion: phosphoric acid | /r/CreatedBy | the process
Facets:
Source sentences:
text: Even a slight positive sulfate (e.g. +0.7%) in the dissolver can cause decreases in yield of phosphoric acid produced by the process (one cause being due to greatly increased nucleation, another at about 1.5% SO 4 to coating of the phosphate rock which decreases the amount dissolved).
text: Phosphoric acid produced by this process contains a variety of impurities, which vary according to the origin of the minerals.