Assertion: formic acid | /r/HasProperty | obtained
Facets:
value: comparatively
type: MANNER
value: from the bottom of the column
type: LOCATION
Source sentences:
text: Formic acid of a concentration of between 20 to 50 % is obtained depending on the starting molar ratio of H 2 O/ester.
text: Formic acid (9) at a concentration of 72 to 80 %, with advantage at a concentration of 75 to 77 %, is obtained from the bottom of the column.
text: were used as supporting electrolyte ; formic acid was obtained from
text: When H-Mordenite is used as a catalyst by the method of this invention, catalytic activity can continue over a long time and the carbon monoxide of the high grade in which a hydrogen content is lower than formic acid can be comparatively obtained.