Assertion: formic acid | /r/CapableOf | contain at atmospheric pressure
Facets:
Source sentences:
text: The reflux ratio and the distillatezresidue split in column 4 are controlled in accordance with conventional distillation techniques to produce, as the topped residue withdrawn from the column through conduit 10, the well-known maximum-boiling azeotrope of formic acid and water which contains, at atmospheric pressure, approximately 77.5 percent formic acid and 22.5 percent water by weight.