PROCEDURE FOR THE PREPARATION OF HYDRAZINE HYDRATE.

摘要

Procedure for the preparation of hydrazine hydrate in which the methyl ethyl ketone azine is hydrolyzed in a column, to obtain the hydrazine hydrate in the foot and the methyl ethyl ketone in the head, characterized in that heterocycles of the pyrazoline family are purged, in quantity sufficient to avoid the chlorination of hydrazine hydrate, the aforementioned heterocycles of the hydrolysis column being extracted laterally.