Assertion: formic acid | /r/HasProperty | distilled
Facets:
value: away from acetic acid
type: OTHER
Source sentences:
text: Hence, the washing action of the ethylene dichloride refiuxed from the decanter back to the first column wherein formic acid is distilled away from acetic acid will be much poorer than that of chloroform; and a first column with many more plates will be required with ethylene dichloride to wash down the acetic acid and prevent its coming over the top.