Assertion: hydrocyanic acid | /r/AtLocation | the selected
Facets:
Source sentences:
text: The massive amount of hydrocyanic acid contained in the mixture introduced into distillation column with reflux, preferably is not more than 60%, particularly preferably not more than 40% and even more preferably not more than 10% of the mass quantity of hydrocyanic acid contained in the selected in the upper part of the column of the mixture.