Assertion: phosphoric acid | /r/AtLocation | amount
Facets:
Source sentences:
text: A process for the production of phosphoric acid, comprising in combination the steps of reacting finelydivided material containing tricalcium phosphate with phosphoric acid at a temperature between and about F said phosphoric acid having a concentration between about 30% and about 40% P 0 and being present in an amount to provide between about 1.9 and about 2.6 lbs.