Assertion: hydrogen fluoride's amount | /r/HasProperty | removed
Facets:
value: from the aromatic aldehyde
type: OTHER
Source sentences:
text: After the very small amount of boron trifluoride contained therein is removed from said mixture by washing with water, the mixture is fed into a distilling column (not shown) where the decomposing agent, toluene and a vary small amount of a high boiling point material are removed from the aromatic aldehyde.
text: After the very small amount of boron trifluoride contained therein is removed from said mixture by washing with water, the mixture is fed into a distilling column (not shown) where the decomposing agent, toluene and a vary small amount of a high boiling point material are removed from the aromatic aldehyde.